Miller e Saltzman, Beyond the Three ‘Isms’, Rethinking IR and the Post-cold War Order

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    Original Article

    Beyond the three   ‘isms’: Rethinking IR and thepost-cold war order

    Benjamin Miller a,* with Ilai Z. Saltzmanba School of Political Sciences, University of Haifa, Mount Carmel, Haifa 31905, Israel.

    E-mail: [email protected] Department, Claremont McKenna College, 500 E. Ninth St., Claremont, CA 91711, USA.

    E-mail: [email protected]

    *Corresponding author.

    Abstract    The division of IR theory into the  ‘holy trinity’ of the three  ‘isms’ (realism,liberalism and constructivism) is the most common classication of theories in the  eld.

    While this division has numerous theoretical benets, it also has some major short-

    comings with regard to the conceptualization of substantive changes in world politics,

    especially in the post-Cold War security order. In order to better capture conceptually

    these changes and also to be able to provide falsi

    able predictions, we offer a novel con-ceptual classication based on three key factors: (i) the level of analysis used by the

    approach; (ii) whether the state continues to be the central actor in the international system 

    and (iii) whether the post-Cold War international system is more peaceful in relation to

    previous eras. Each of the approaches identied in this work   – ‘Liberal/Constructivist 

    Optimists’,   ‘Hegemonic Optimists’,   ‘New Conict Pessimists’   and   ‘Balance of Power 

    Pessimists’ – highlights different and sometimes contradictory aspects of these develop-

    ments. We probe the empirical applicability of this novel typology on a sequential time

    base since the end of the Cold War and  nd that each of these approaches accounts for the

    major patterns of the international security order in a given time period but not in other 

    periods. We also brie

    y identify the conditions under which each one perspective is morevalid than the others for accounting for key patterns of international security.

     International Politics advance online publication, 18 March 2016; doi:10.1057/ip.2016.3

    Keywords: IR theory; realism; liberalism; constructivism; international order; post-Cold

    War security

    Introduction

    This article advances a novel conceptualization of the changes in the post-Cold War 

    order. The objective is to strengthen the relations between IR theory and international

    politics. We will do that by introducing a new classication of four conceptual

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    approaches and applying it to the post-Cold War world. This four-fold classication

    draws on the ‘

    holy trinity’ of the three

     ‘isms

    ’ in IR theory, but aligns it more carefullywith post-Cold War changes.

    The most common typology of International Relations (IR) theory is the conventional

    triangle of realism, liberalism and constructivism (Sil and Katzenstein, 2010, pp. 24–25;

    Lake, 2011; Maliniak  et al , 2011;  Sil and Katzenstein, 2011; and  Nau, 2011). While

    useful for numerous theoretical purposes, this division does not capture the essence of 

    some of the key changes in the international order (Bull, 1977;   Sørensen, 2011),

    especially in international security, which took place since the end of the Cold War as we

    elaborate in this article. We argue that this is at least partly due to the mismatch between

    the conventional theoretical triangle and some of the key substantive issues and

    components of the post-Cold War international security order (namely, war and peace),

    in the following ways:

    First, despite the numerous theoretical differences between them, liberals

    and most constructivists usually share quite a similar substantive position on some

    of the key issues involved in the debate on the nature of the post-Cold War 

    security order and on some of the underlying conceptual elements (Rathbun, 2012,

    p. 613). We call this approach the   ‘Second-Image/Non-State-Centric Optimists’.

    For the purpose of clarity or simplicity   –   we call them Liberal/Constructivist-

    Optimists.

    Second, the traditional typology misses a key post-Cold War perspective, which

    has distinctive positions on substantive issues pertaining to international security and

    more generally on the key concept of anarchy; We call this approach  ‘Second-Image/ 

    Non-State-Centric Pessimists’ (or briey  –  New Conict Pessimists  –  as this approach

    underlines the dominance of new type of conicts in the post-Cold War Era).

    Third, the third paradigm   –   realism   –   is split down the middle on the peace/ 

    stability nature of the international system between two different realist approaches:

    ‘Third-Image/State-Centric Optimists’  (or Hegemonic Optimists) versus   ‘Third-Image/ 

    State-Centric Pessimists’ (or Balance of Power [BOP] Pessimists).

    Lastly, realism and constructivism (though less so liberalism) do not providecoherent and falsiable predictions or prescriptions, making it extremely dif cult to

    confront their expectations with the empirical record.

    Thus, we argue that there is a need to better align the common typology of IR

    theory to key approaches used to analyze the contemporary international security

    order. This can be done by focusing on three key factors consisting of Waltz’s

    enduring level of analysis question (Waltz, 1959) and two additional issues that have

    generated major debates in the post-Cold War era (Waltz, 1993;  Harrison, 2004):

    (i) whether the post-Cold War international system is more peaceful than earlier 

    congurations, especially the bipolar era (Patman, 1999;   Lynn-Jones and Miller,2001); and (ii) whether the state is still the central actor in the international system or 

    whether non-state actors are replacing it as the key actors (Guehenno, 1995; Hobson,

    2000; Seymour, 2004).

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    This second issue relates to the level of analysis in the following way: a third-

    image (structural/systemic) analysis is state-centric and the state is seen as a unitaryactor in contrast to the second-image analysis, which allows for much more inuence

    of various non-state/domestic actors on the international behavior of the state

    (Hobson, 2000: Chapters 2 and 3).

    With the end of the Cold War, analysts advanced competing and even contra-

    dictory expectations about the likely character of post-Cold War international

    security. Among the large number of predictions which were voiced, some were

    optimistic while others were quite pessimistic; others foresaw more continuity in

    international politics emphasizing the circular nature of world politics.

    More specically, in this post-Cold War marketplace of explanations, four leading

    predictions have emerged. The most optimistic with regard to the end of major 

    conict was Fukayama ’s (1989, 1992) notion of  ‘the End of History’, celebrating the

    termination of East –West rivalry and the universal victory of liberalism, and

    anticipating the end of major geo-political conicts. In contrast, two scholars with

    completely different views suggested more pessimistic predictions.   Mearsheimer 

    (1990a, b) claimed that rather than   ‘a brave new world’, the post-Cold War era will

    resemble more the conictual world of  ‘Back to the Future’. Just as pessimistic was

    Huntington (1993a) who predicted some major international conicts under the cloak 

    of the  ‘Clash of Civilizations’.1 The fourth perspective, articulated by scholars such

    as  Krauthammer (1990/91) underlined the emerging distribution of capabilities and

    its implications during  ‘the Unipolar Moment ’.

    About two decades or so have passed since these predictions were made. In order 

    to evaluate their validity, we need, however, to introduce a fresh classication of key

    perspectives on international security, which accounts for the historical develop-

    ments we witnessed ever since the collapse of the Soviet Union, especially in

    international security. This novel taxonomy embeds the predictions in a larger 

    conceptual framework, which integrates approaches to international security with IR

    theories. We  nd the existing theoretical classications lacking in some fundamental

    ways, as we elaborate below, and thus introduce a new set of conceptual approachesto international security. This new typology contributes to a more accurate and

    nuanced evaluation of the character of the post-Cold War international security order.

    This article will focus on the following twin objectives:  rst, introducing a novel

    classication of the key approaches to post-Cold War international security.

    We incorporate these key predictions, expressed with the end of the Cold War, into

    four major approaches for the study of the international security order, while making

    explicit the fundamental logic behind each one of them as well as their similarities

    and differences. We argue that the division of the three   ‘isms’ – realism, liberalism 

    and constructivism   –   is not suf ciently helpful for studying post-Cold War international security; therefore, we will present an alternative quadruple typology.

    Second, we do not claim that this new typology substitutes the leading triangle in the

    more theoretical/scientic sense of epistemology and ontology. Our claim is rather 

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    much more modest   –   that this novel typology makes empirical probing of the

    character of the post-Cold War security order considerably more effective. We dothat by presenting a brief illustration of the applicability of the four approaches to

    different time periods since 1989. This can be only suggestive at this stage as even a 

    quarter of a century may be too little time to condently conclude how each approach

    will work out. Surely, no devotee of a particular approach would say it always applies

    everywhere. Elements and patterns of several or even all of the approaches can be

    found in operation at any one time. Still, even a relatively brief empirical application

    of the four approaches can be useful for showing the utility of this new classication

    and its potential relevance for the post-Cold War security order.

    Accordingly, we begin by succinctly outlining some of the limitations of the most 

    common explanations for the post-Cold War international security order: realism,

    liberalism and constructivism. The second section will present a new classication that 

    differentiates among four novel approaches to the world security order: second-image

    (and non-state-centric) Optimists; third-image (and state-centric) Optimists; second-

    image (and non-state-centric) Pessimists; and third-image (and state-centric) Pessimists.

    The third section will exemplify the utility of the four ideal-type approaches by applying

    their logic to the unipolarity of the post-Cold War era. The nal section will conclude the

    theoretical contributions of this article and offer some suggestions for future research.

    IR’s Holy Trinity and its Limits

    Most of the theoretical literature in IR which deals with the post-Cold War 

    international security order is still evolving around the traditional differentiation

    between the existing triumvirate of IR paradigms: realism, liberalism and constructi-

    vism. The dominance of this division also becomes clear in the major overviews of 

    the IR literature in recent years by, for example,  Walt (1998), Jervis (2002), Snyder 

    (2004), Friedberg (2005) and Betts (2010).

    This dominant classication does not capture, however, some of the most important issues and variations in the post-Cold War international order, especially

    with regard to the centrality of the state and the challenges it confronts (from both

    ‘good’  and   ‘bad’  actors) and also with regard to the extent of stability/peace in the

    system. In order to address these key issues, we need a new distinction which, while

    drawing on enduring IR theory questions (such as the level of analysis), captures

    some of the key elements of the post-Cold War security order by introducing the

    four-fold typology introduced here. More specically, this distinction renes the

    conventional  ‘isms’ typology in the following ways:

    (a) What we call the Second-Image Optimists include liberals and most (although

    denitely not all) of constructivists as both share very similar views regarding

    the nature of the emerging order after the Cold War, thus they can be seen as

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    af liated with the same substantive approach to world order despite some major 

    theoretical differences.

    2

    (b) The Second-Image Pessimists, who are absent from the traditional ‘ism ’ triangle,

    include not only Huntington’s concept of the ‘Clash of Civilizations,’ but also the

    ‘failed states’   syndrome (and the related newly emerging asymmetric security

    threats of terrorism/warlords/militias/insurgents/guerrillas/drug cartels and so on)

    despite the major differences between these two type of challenges.

    (c) The Third-Image (who are also state-centric) analysts as we call them here, or 

    realists as they may also be called, are divided into two clusters: Optimists, who

    are hegemonic stability theorists whose approach coincides with   ‘The Unipolar 

    Moment ’  proposition and Pessimists who tend to be proponents of balance of 

    power (BOP) theory who believe in the idea of  ‘Back to the Future’.

    We start the discussion of the new classication by introducing some of the basic

    theoretical differences among the two variants (second and third-image) of both

    Optimists and Pessimists (see  Tables 1A and 1B) and then we move into a presen-

    tation of the four-fold typology based on three key factors: the level of analysis, the

    centrality of the state and the effects of the end of the Cold War on international

    peace (see Table 2).

    Optimists and Pessimists: Conceptual Differences

    Table 1A is based on the three components of the Waltzian international structure:

    the ordering principle  – anarchy; the key units  – the states and the lack of functional

    differentiation among them; and the distribution of capabilities   –   the key element 

    which differentiates among the states (Waltz, 1979: Chapter 5 and 6).   Table 1B

    presents the three dimensions generating the two-by-two typology of the four 

    approaches: the level of analysis, the view of the meaning of the end of the Cold

    War with regard to war and peace, and the importance and nature of non-state actors.A major point of division is the conception of anarchy in the post-Cold War 

    world order. While second-image Optimists argue that international anarchy is being

    transformed and a much more cooperative community of states (Katzenstein, 1996;

    Adler and Barnett, 1998; Oneal and Russet, 2001), and a global civil society of non-

    state actors (Matthews, 1997;   Kaldor, 2003;   Keane, 2003;   Slaughter, 2004;   Kaldor 

    et al, 2012), are replacing the old BOP system, the second-image Pessimists highlight 

    the detrimental change in the character and locus of anarchy (Job, 1992; Ayoob, 1995;

    Holsti, 1996; Patrick, 2011). What is relevant for these Pessimists is not so much the

    international anarchy among states, but the anarchy inside states, at least in some of them; although this has implications for regional and international security much

    beyond these weak states. For third-image/state-centric theorists (the Realists),

    however, international anarchy endures in the post-Cold War era as it always was the

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    dening attribute of international politics. This means that international institutions

    continue to reect state interests and positional relations, and that the distribution of 

    capabilities among states persists to be the key determinant of international outcomes.3

    The perspective’s conception of anarchy has major implications for their viewsof the centrality of the state as the key actor in world politics (Sørensen, 2004).

    For both versions of the Realists, the state continues to be the central actor,

    particularly the great powers, which determine the key outcomes in international

    politics either through hegemony of one of them or BOP among them (Waltz, 1979;

    Gilpin, 1981;   Mearsheimer, 2001). In the eyes of second-image Optimists, the

    centrality of the state as the key actor in world politics is in relative decline when

    compared with non-state actors, operating above the level of the state  – in the global

    level (Barnett and Duvall, 2004), as well as below it   –  as part of states’  domestic

    affairs and also transnationally. The state is also undergoing a major transformationof its character from a competitive actor to a cooperative member of international

    institutions and regional integration frameworks. From such a vantage point, states’

    freedom of choice has become increasingly constrained by rising economic

    Table 2:   Predictions –  Typology of the major approaches to international security in the post-cold war era 

    The effects of the end of the cold war/globalization

     Level of analysis/is the

    state the central actor?

     Benign De-stabilizing

    third image/state-centric

    (the realists)

    1

     Hegemonic Optimists

    2

     Balance of Power Pessimists

    The benign hegemon/pacifying

    effects

    ●  The hegemon as peacemaker 

    ●  Stabilizing interventions led by

    the hegemon

    Inter-State, esp. Great power, conict 

    ●  Abuse of power by a revisionist 

    hegemon due to lack of balance

    of power 

      Balancing by rising/revisionist great powers

    second- image/ 

     Non-state-centric

    4

     Liberal/constructivist-Optimists

    3

     New con  ict Pessimists

    International Peace&Cooperation

    ●  The liberal/cooperative/ 

    peaceful/status quo state

    ●   Regional integration

    ●   International institutions

    ●  Humanitarian intervention

    ●   INGOs

     Democratic peace●  Economic interdependence

    ●  The information Revolution

    ●   Social networks

    Violent non-state actors

    ●  The failed state

    ●  Clash of civilizations

    ●   Terrorism 

    ●   Civil wars

    ●  Trans-border violence

    ●  Foreign interventions

     Asymmetric con

    icts●  Democratization and War 

    ●  Warlords, armed militias

    ●  Transnational Crime

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    interdependence, multilateral arrangements and universal norms such as those related

    to human rights (Hurrell, 2007, p. 65). Second-image Pessimists argue that states arebecoming materially and ideationally weaker in relation to a variety of non-state and

    trans-border actors, especially violent ones that undermine the traditional role of the

    state as   the   legitimate and ample security-generating sociopolitical entity in inter-

    national politics (Kaldor, 2006).

    Indeed, while both second-image Optimists and Pessimists share the view that 

    non-state actors are on the rise in relation to the state, they have completely different 

    views about the character of rising non-state actors. For the Optimists, these are

    ‘good guys’  that include international institutions, regional integration and interna-

    tional non-governmental organizations (INGOs) such as Amnesty International and

    Human Rights Watch. For the Pessimists, these are violent groups such as terrorist 

    networks, armed militias and drug cartels (Shultz and Dew, 2009).

    The perspectives also diverge with regard to Waltz’s claim that all states are similar 

    because they fulll similar functions. While the third-image scholars (the realists)

    basically share this point of view, for the second-image Optimists, there is also a 

    transformation in the functions some states carry out   –   from the focus on military

    security to a greater emphasis on trade (Rosecrance, 1986) and  ‘soft power ’ of culture

    and diplomacy (Nye, 2004). Thus, in their view there is an increasing differentiation in

    the functions the states fulll. According to the second-image Pessimists, there is also a 

    growing differentiation between well-functioning states versus malfunctioning states

    which lack effective institutions even in the key area of internal (but also external)

    security (Huntington, 1968; Migdal, 1988; Mann, 1993; Ayoob, 1995).

    The perspectives have also competing views about the relevance of differences in

    material capabilities for determining key patterns and outcomes in the international

    order. Because of the rising importance of common liberal norms and ideas, and the

    institutions which promote them, second-image Optimists believe that gaps in

    material power should matter much less than before. Second-image Pessimists

    highlight the growing constraints on the utility of superior resources, especially

    vis-à-vis   failed states and extremist groups, which resort to asymmetrical warfare.For both camps of the realists, however, gaps in material capabilities continue to be

    the key determining factor in international politics (Waltz, 1979; Wohlforth, 1999;

    Mearsheimer, 2001).

    The perspectives also differ in their views about the meaning of the end of the Cold

    War. For second-image Optimists, the peaceful end serves as an inspiration for the

    way intransigent and protracted conicts will end via both the  ‘power of example’ of 

    the   ‘big guys on the block ’, as well as the material effects of the end of superpower 

    support for various antagonists around the world. For second-image Pessimists, the

    end of the Cold War opened the  oodgates for the rise of new asymmetric conicts,such as those involving Al-Qaeda, culminating with 9/11 and its aftermath or the

    revival of dormant conicts, especially in the former Soviet sphere such as in the

    Balkans and the Caucuses. For third-image analysts (the realists), the transition from 

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    a bipolar to a unipolar world generated a lot of compelling consequence (even if 

    third-image Optimists differ from third-image Pessimists in evaluating the natureof the consequences). The Cold War ended, however, the way all international

    conicts have always ended: the stronger party, possessing superior material

    capabilities (the United States), won and got the benets from its victory, although

    a peaceful one, either due to nuclear deterrence or because of the fact that the weaker 

    party (the USSR), rather than the hegemon, had declined in its material resources

    (Wohlforth, 1994–95). But, at any rate, the end of the Cold War does not constitute

    an inspiration for a  ‘brave new world’ of peace and cooperation or a complete shift to

    new types of asymmetric conicts. Rather, the world continues to function within a 

    competitive anarchy as has been true over the millennia.

    The Four-Fold Classication

    Which are the most useful criteria for classifying post-Cold War security approaches?

    This article’s novel typology is based on three major factors, two of which are partly

    overlapping and thus can be collapsed into a single category, which in turn allows us

    to distinguish among four ideal-type approaches (see  Table 2): (i) which is the key

    level of analysis: domestic or systemic and the partly overlapping question  –  does thestate continue to be the central actor in world politics? and (ii) whether the post-Cold

    War system will be more or less peaceful than the Cold War era? With regard to the

    rst issue, the realists’   view is that the international systemic level is the most 

    important factor and that the state, as a unitary actor, continues to be the key actor in

    world politics. In contrast, both the second-image Optimists and the second-image

    Pessimists argue that the state level is the most important (especially whether the

    state is liberal or failed), while the unitary-actor state is in relative decline as the

    central actor in relation to non-state actors. According to the Liberal/Constructivist-

    Optimists, the liberal/cooperative/ status quo   state allows for the working and themajor inuence of the   ‘good’  non-state actors, whereas according to second-image

    Pessimists, violent   ‘bad’  non-state actors exercise overwhelming inuence in failed

    states.

    There are also two competing positions with regard to the effects of the second

    factor. Third-image Optimists view the effects of the end of the Cold War and the rise

    of globalization as benign because of the change of the system from bipolarity

    to unipolarity in contrast to third-image Pessimists who, for their part, see more

    de-stabilizing effects. Second-image Optimists, on the other hand, highlight the

    benign effects of globalization and the post-Cold War dominance of various liberalfactors. Second-image Pessimists believe, however, that the highly globalized

    post-Cold War era will be characterized by a variety of new detrimental security

    threats and new types of emerging conicts.

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    Second-image/non-state-centric/liberal/constructivist-optimists

    In this group we can  nd scholars af liated with both the liberal and constructivist 

    schools in IR, working especially on the domestic level of analysis, and sharing a 

    similar belief in the peaceful and cooperative character of the post-Cold War era.

    Though they differ in their theoretical reasoning, liberals and at least most 

    constructivists believe that the peaceful ending of the Cold War and the demise of 

    the Soviet Union presented a golden opportunity to spread and embed the same

    nonviolent ideas and institutions that brought this era to an end. As  Russett (1993,

    p. 138) had argued, expressing second-image Optimist logic:  ‘the emergence of new

    democracies with the end of the Cold War presents an opening for change in the

    international system more fundamental than at the end of other big wars …   If the

    chance for wide democratization can be grasped and consolidated, international

    politics might be transformed’.

    Liberals, to begin with, see the primarily normative and institutional dimen-

    sion of the Democratic Peace Theory (DPT) as the underlying mechanism for 

    the spread of peace and security. Whether it is the norms of democratic regimes

    that encourage the peaceful resolution of conicts among democracies, or the

    procedural feature of democracy that reduces the prospects of armed conict 

    among them, the spread of democracies should result in greater stability and

    peace (Maoz and Russett, 1993;   Russet, 1993;   Ray, 1995). As the Soviet Union

    collapsed and numerous states reclaimed their independence or autonomy and

    commanded a process of political democratization and economic liberalization,

    especially in Central and Eastern Europe, the DPT was put into practice with

    the expectation of preventing a resurgence of regional instability (Ward and

    Gleditsch, 1998).

    Another liberal strand focuses on the positive and stabilizing nexus between

    economic cooperation and peace and stability, as their motto   ‘better trade than

    invade’  clearly suggests (Rosecrance, 1986). It highlights the stabilizing effects of 

    economic interdependence and the premise that the benets of trade far exceed theutility of war, making the latter expendable or illogical from a utilitarian perspective.

    If wars of the past were fought over control of territory and resources, in modern time

    economic development combined with technological progress deem these objectives

    to be obsolete. With the further opening of the international system to free trade in the

    post-Cold War and the reduction to barriers on foreign direct investment and

    monetary transactions to different parts of the international system, the pacifying

    effects of economic interdependence should increase dramatically (Oneal and

    Russett, 1997).

    As for the role of the state, liberals traditionally considered the role of the stateinstrumental to international politics. However, they were receptive to various

    erosion processes that the states, as a political entity, had experienced throughout 

    the years. Indeed, as the Cold War had ended, and the rise of globalization,

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    democratization and international governance captured the eyes and minds of many

    liberals, so did the state began to lose its preeminence in parts of liberal politicalthought. Consequently, liberals called for a reevaluation of the roles the state may

    play in the post-Cold War era. According to Hoffmann (1998), the eroding nature of 

    the modern nation-state as an international actor results from the outdated distinction

    between the domestic and the international and the gradual yet continuous move

    toward an intermestic approach (See also Held, 1995; Cha, 2000). Forces from within

    and outside wear down the central government ’s autonomy and freedom of action,

    and under such circumstances,  McGrew (1997, p. 10) maintains,   ‘the Westphalian

    institution of sovereign statehood no longer appears as robust as it may once have

    done’.

    Liberal Optimists believe that the end of the Cold War and the intensication of 

    globalization facilitated the strengthening of cooperative sub-state   ‘government 

    networks’   (Slaughter, 2004). Globalization has also made possible the emergence of 

    various   ‘good’   and benign non-state actors at the expense of the state, includ-

    ing INGOs, international institutions and Multi-National Corporations that are

    expected to reduce the danger of war and further increase the level of international

    transparency and cooperation (Risse-Kappen, 1995;   Mathews, 1997;   Keck and

    Sikkink, 1998).

    Despite growing controversy among theorists as to the effect of democratization

    on the likelihood of war and instability (Manseld and Snyder, 1995; Miller, 2007),

    liberals suggest that the political transformation actually encourages restraint and

    nonviolence. As   Ward and Gleditsch (1998, p. 60) maintain,   ‘it appears that the

    broad and overall effect of democratization is to promote peace’. For that reason,

    liberals argue in favor of increasing the number of democracies in the world through

    a sustained democratization process. Indeed, the prescriptive recipe of liberal

    Optimists was actually quickly adopted and applied by the Clinton Administration

    throughout the 1990s. As Clinton and his advisors identied the spread of democracy

    and economic interdependence as the solutions to the post-Cold War international

    predicament, it was only natural that these elements have become the Americanforeign policy catchphrases with  ‘enlargement ’ as its interwoven slogan (Lake, 1993;

    for a critique see Carothers, 1994).

    Constructivists, on the other hand, present a more ideational-based descriptive and

    prescriptive argument for post-Cold War security and stability. They believe that 

    world politics is socially constructed. Hence for Constructivists, the possibility to

    achieve and maintain peace is, in fact, a function of ideational changes that the end

    of the Cold War created or at least encouraged and their codication hereafter 

    (Risse-Kappen, 1995, p. 502). Consequently, the ideas and understandings that 

    created and preserved the Cold War ’s bipolar world order gave way in its aftermathto ideas of progress and universalism to the extent that the global discourse

    had changed and improved inter-state interaction correspondingly (Wendt, 1992;

    Finnemore, 2003).

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    The conclusion is that instability and international rivalry can be prevailed over 

    and it is the nature of the social interaction that may transform a   ‘

    zone of confrontation’  such as the post-Soviet sphere into a celebrated   ‘zone of peace’  and

    tranquility through a process of normative and political socialization that system-

    atically and deliberately transformed the behavioral and ideational foundations of 

    state identity into a benevolent one (Schimmelfenni, 2000). Through the use of 

    agents for normative change, such as Western and Western European institutions,

    including NATO, the European Union (EU) and the Conference on Security and

    Cooperation in Europe (CSCE), it was possible for the victors of the Cold War to

    ‘reprogram ’  the inter-subjective identity of various former Soviet-ruled countries in

    order to reduce the risks of inter-state conict but also, and perhaps more

    importantly, eliminate intra-state conict (Flynn and Farrell, 1999).

    Just as international anarchy or animosity is a social construction that results from 

    the mutually constitutive nature of international politics, so can the structure and

    functions of the state as a social edice may change over time. In other words, states

    are a normative-adaptive entity, to use Finnemore’s (1996, p. 128) terminology, that 

    can be   ‘socialized to accept certain preferences and expectation by the international

    society in which they and the people who compose them live’. More critically,

    ideational theorists such as the postmodernists argue, for example, that the state has

    been non-existent as a genuine material or institutional entity ever since the creation

    of the Westphalian state system. From their perspective, all states are the fabrication

    of inter-subjective notions of legitimacy that are constantly and increasingly

    challenged by globalization and other processes that erode the internal and external

    validity of this ideational formation and that were especially intensied in the post-

    Cold War era (Shapiro and Alker, 1996).

    The way to translate constructivist research into a policy-oriented prescriptive

    outline is highly risky. Nevertheless, it would principally consist of the different 

    ways that norms, identities and interest may be proactively constructed in a certain

    fashion in order to encourage peace and stability rather than rivalry and competition

    that were cultivated during the Cold War (Walt, 1998, p. 41). For example,Frederking (2003, p. 376) argued that the world is experiencing a trend supporting

    and encouraging increased collective security which is characterized by an ongoing

    attempt to legitimize certain practices and disapprove others.   ‘Through this inter-

    action’, Frederking maintains,   ‘linguistically competent agents challenge and/or 

    perpetuate the rules constituting world politics’.

    More specically, Constructivist-Optimists focus on normative changes in favor of 

    universal human rights irrespective of ethnicity and nationality, and the emergence of 

    new ideas on peaceful cooperation and reconciliation starting to dominate interna-

    tional politics with the peaceful end of the Cold War (Wendt, 1999;   Finnemore,2003). These ideas were expected to spread more quickly and widely than before,

    partly due to the information revolution that, in turn, inhibits the ability of states to

    manipulate their citizens. The combined effect of all these changes should make

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    states more peaceful and   status quo-oriented, and discourage violent attempts to

    change the current world order, while also leading to a decline in the centrality of thestate as the key actor in world politics. One key manifestation of the spread of 

    new peaceful ideas and norms is the rise of   ‘security communities’, which also

    incorporate new regional identities, transcending the nation-state and anticipating the

    growing deterritorialization of world politics (Adler and Barnett, 1998;  Mansbach,

    2002).

    Second- image/non-state-centric/new conict pessimists

    Despite the numerous differences among the New Conict Pessimists, they share

    similar answers to the three key questions addressed here. While focusing on the

    nature of the state, these scholars believe the state is in decline due to the various

    processes of globalization and the lack of unconditional support by the Cold War 

    superpowers to their clients. Moreover, in the post-Cold War/globalization era, the

    state is replaced by violent,  ‘bad’ non-state actors, which benet from states’ decline,

    while these actors also contribute to this process by challenging the state and further 

    weakening it.

    The outcome is the spread of  ‘failed states’ – lacking the monopoly over the means

    of violence within their sovereign territory, while having ineffective, malfunctioning

    state institutions (Gros, 1996;   Traub, 2011;   Patrick, 2011). These conditions

    encourage the proliferation of   ‘bad’   non-state actors such as extreme ethno-

    nationalists, secessionists, terrorists including suicide bombers, religious fundamen-

    talists, warlords, armed militias, drug traf ckers, transnational criminal syndicates

    and various anti-Western  ‘civilization’ groups and organizations whose anti-Western

    anarchist agenda is either on an economic basis (anti-globalization) or due to cultural

    opposition, especially advocates of radical Islam (Rotberg, 2002;   Kaldor, 2006;

    Lowenheim, 2007; Snyder, 2011; Shah, et al, 2012).

    The volume of work associated with the idea that the end of the Cold War essentially revolutionized the security environment has grown immensely by the

    mid-1990s, and especially in face of the different security challenges that emanated

    from erosion in traditional great power politics that the Soviet Union and

    the United States played since the end of the Second World War. For example,

    some observers alleged that the collapse of the Soviet Union could contribute

    directly and indirectly to the proliferation of nuclear weapons and technology

    associated with Weapons of Mass Destruction (WMD). Directly since the Soviets

    had some restraining inuence over their clients’   behavior and proliferation

    policies, and indirectly because Soviet nuclear technology that was shared withthree of the former republics   –   in addition to Russia   –   became   ‘loose nukes’ –

    practically unmonitored and unaccounted for (Nye, 1992, p. 85). Moreover, with

    the collapse of Yugoslavia, the ethnic fragmentation in the Balkans and the spread

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    of civil wars in other regions, various studies began to question the relevance

    of existing paradigms and theories of warfare that apparently did not  

    t thenew trends in interstate and especially intra-state security (Van Creveld, 1991;

    Kaldor, 2006).

    Among the very   rst,   Huntington (1993a , p. 22) advocated the need to talk 

    of civilizations as the key fault lines in the emerging security environment:

    ‘The clash of civilizations will dominate global politics. The fault lines between

    civilizations will be the battle lines of the future’. The implication was not 

    only a potential clash between states from different civilizations but also

    internal conicts in states where people from a number of civilizations live.

    A key example is the former Yugoslavia where people from three civilizations

    (in Huntingtonian terms) lived together until the end of the Cold War, but 

    following its termination, some major internal conicts emerged among the

    different ethnic groups especially those af liated with the different civilizations:

    Orthodox/Eastern Christians (the Serbs) against Muslim (in Bosnia and Kosovo);

    and Orthodox against Western Christians   –   the Croats (Huntington, 1996, for 

    example, see p. 208).

    Other Pessimists like   Kaplan (1994, 1997, 2000), characterized the post-Cold

    War international security environment as comprising of various   ‘fragile’   states

    or political units that suffer from a number of overlapping deciencies such as

    environmental scarcity, food shortage, cultural and racial clash and ethnic conict 

    that have a negatively devastating effect on regional peace and stability.

    Indeed, Maynes (1993, p. 5) argued that rather than solely focusing on traditional

    conceptions of security,   ‘animosity among ethnic groups is beginning to rival the

    spread of nuclear weapons as the most serious threat to peace that the world faces’.

    In the eyes of many Pessimists, the problem of security has moved in the aftermath of 

    the Cold War from the international, inter-state arena to the domestic arena  –  internal

    to the states  – of civil wars and trans-border violence. For them, globalization, rather 

    than pacifying the world, as expected by the Optimists, in reality promotes instability

    (Keating, 2001).Ethnic conict and various armed militias, separatists, religious fundamentalists,

    warlords, terrorists and drug traf ckers take refuge in collapsing states – making the

    failure of weak states much more likely in the  rst place. Rice (2005), in her position

    as Secretary of State during the Bush administration, argued similarly:

    The phenomenon of weak and failing states is not new, but the danger they

    now pose is unparalleled. When people, goods and information traverse the

    globe as fast as they do today, transnational threats such as disease or terrorism 

    can inict damage comparable to the standing armies of nation-states. Absent responsible state authority, threats that would and should be contained within a 

    country’s borders can now melt into the world and wreak untold havoc. Weak 

    and failing states serve as global pathways that facilitate the spread of 

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    pandemics, the movement of criminals and terrorists, and the proliferation of 

    the world's most dangerous weapons.Scholars af liated with this group believe that state-building is the best remedy to

    engage the major post-Cold War challenges to stability and peace. From their 

    perspective, threats to peace emanate from the  awed and failing structure of states,

    especially in the Third World but also in other faltering regions such as the post-

    Soviet sphere. These underlying deciencies encourage the growth of extremism,

    terrorism, political radicalization and general lawlessness (Helman and Ratner,

    1992–1993). Thus, the solution must   rst involve the proactive creation and

    protection of state agencies that will impose governments’  monopoly over the use

    of violence. In turn, this will inhibit the growth of politically and militarily parasiticalgroups and promote order and stability that can strengthen regional peace (Ayoob,

    1995; Krasner, 2004; Ghani and Lockhart, 2008; Haims et al, 2008).

    Beyond the key component of the monopoly over the means of violence, state and

    institution-building should include constructing legitimate and professional law and

    order institutions, effective and unbiased state bureaucracy, independent court 

    system, professional military and police force and free media. A key point is that 

    public institutions should be effective, functioning and professional, so that they

    would be able to deliver key services to all the citizens of the state, irrespective of 

    ethnicity, in the area of law and order, infrastructure (water, electricity, transportationand so on), social services and public education, thus preventing the hijacking of 

    these services by radical religious or nationalist organizations (Paris, 2004;

    Fukuyama, 2004). As   Cohen (1992, p. 32) commented, failed states   ‘need our 

    understanding, assistance and perhaps direct intervention to achieve the kind of 

    stability that benets them individually, and the world collectively’.

    Third-image/state-centric pessimists (or BOP pessimists)

    This group of theorists does not share the view about the decline of the state, whilethey share the pessimistic view about the de-stabilizing effects of the end of the Cold

    War, particularly the collapse of the bipolar world. Thus, we call them Third-Image/ 

    State-Centric Pessimists or BOP Pessimists.

    The BOP school argues that hegemony is not feasible because of the effective

    functioning of the balancing mechanism as in the cases of Philip II, Louis XIV,

    Napoleon, German Kaiser Wilhelm and Hitler (Posen, 1984, pp. 68–69; Rosecrance,

    1999, pp. 56–58;   Van Evera, 1999, p . 9 ;   Layne, 2006). At the same time,

    preservation of the balance among the great powers helps to maintain the peace.4

    A major example is the nineteenth century Concert of Europe which both maintainedthe balance among the   ve great European powers and succeeded in keeping the

    peace starting from the 1815 Congress of Vienna and at least until the eruption of the

    Crimean War in 1854 (Miller, 2002).

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    In this view, the inherent balancing tendencies in world politics have two major 

    implications: 

    rst, states will tend to join the weaker coalition (Waltz, 1979, p. 127;Walt, 1987, pp. 18–19; Layne, 1997, p. 16); second, an imbalance among the major 

    powers will trigger great efforts by the lesser among them to catch up with the

    ‘hegemon’  through alliance building and expansion of their own power base. Thus,

    the end result of disequilibrium could be more intensive competition and a more

    dangerous situation than in a state of parity. In contrast, the achievement of rough

    equality would reduce the incentives for a rising power to challenge the  status quo.

    With the end of the Cold War, scholars who were especially af liated with Waltz’s

    structural realism began to argue that the modication of the international system 

    from a bipolar to a unipolar constellation will result in renewed inter-state chaos and

    instability. They believed that the most stable international arrangement is BOP in

    which the great powers constantly check and balance each other, a pattern leading to

    moderate and cautious behavior, thus reducing the danger of war or the infringement 

    on the autonomy of small states. In the absence of a balance, the hegemonic

    power will expand and abuse its superior power (Claude, 1962, p. 65;  Bull, 1977,

    pp. 110–111; and Waltz, 1993, p. 189; 2000, p. 13, 27; 2009, pp. 31–32), while the

    other powers will try to counterbalance it (Waltz, 1979: l27;   Rosecrance, 1987,

    pp. 56–58;   Walt, 1987, pp. 18–19;   Layne, 2006, p. 16) leading to arms races,

    tensions, conicts and instability (Layne, 1993).

    BOP Pessimists echo the fundamental premise of BOP theory that   ‘without a 

    state of equilibrium among them one element will gain ascendancy over the

    others, encroach upon their interest and rights, and may ultimately destroy them ’

    (Morgenthau, 1973, p. 169; Waltz, 2000, p. 28). As the international system appeared

    to be moving toward a condition of an imbalanced concentration of power after the

    collapse of the Soviet Union, in contrast to the stable bipolar structure of the Cold

    War, these scholars feared a renewed struggle for power and inuence in Europe and

    around the world. Thus,  Mearsheimer (1990a)   lamented the disappearance of the

    simplicity and restraining effects of the relatively stable bipolar world order and

    warned that we  ‘will we soon miss the Cold War ’.Elsewhere,  Mearsheimer (1990b) depicted the future of Europe under renewed multi-

    polarity to be rather ominous given that the United States and the Soviet Union were

    expected to terminate their military presence in the continent and disengage politically.

    Under such conditions, Mearsheimer (1990b, p. 52) predicted that  ‘the demise of the Cold

    War order is likely to increase the chances that war and major crises will occur in Europe’.

    In this regard, what BOP Pessimists fear the most is the emergence of a nationalism-driven,

    nuclear capable, revisionist states in either the global or the regional level that would

    bluntly offset the already fragile systemic constellation in this period of post-Cold War 

    reorientation (Van Evera, 1990–1991; Schweller (1994)).BOP Pessimists see the unipolar constellation as something that can easily threaten

    the regional and global peace and stability as the hegemonic power will face no

    countervailing coalition to prevent it from pursuing expansionist policies. Under the

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    control of a hegemonic power, these scholars posit, there can be no assurance for 

    the security and national interests of the weaker actors because they will alwaysbe at the mercy of the unipole (Layne, 1993). Yet, because of the lack of a 

    countervailing coalition, the hegemon will expand constantly, leading to an over-

    stretch, which eventually might bring about its decline and thus the end of unipolarity

    (Kennedy, 1987).

    In terms of the state decline variable, BOP Pessimists remain convinced that the state

    is still the major political entity in international affairs. They see little if no devaluation

    in the role states play and only differentiate between weaker or stronger actors based on

    their material capabilities and resources. Scholars holding this position argue that the

    state is neither endangered by ethnic fragmentation nor by multi-national corporations

    and other globalization-induced supranational economic entities and trends. As Waltz

    (1999, p. 696, 697) argued,  ‘The twentieth century was the century of the nation-state.

    The twenty-rst will be too  … The range of governmental functions and the extent of 

    state control over society and economy has seldom been fuller than it is now   …  The

    challenges vary; states endure. They have proved to be hardy survivors’. With regard to

    one of the key threats to the state highlighted by second-image Pessimists, BOP

    Pessimists see the threat posed by terrorists as a limited one  – terrorism is the weapon

    of the weak, which cannot pose a major threat to the national security of strong states or 

    the stability of the system as a whole (Waltz, 2009, pp. 34–35).

    From a prescriptive point of view, BOP Pessimists maintain that while the

    hegemon cannot and should not relinquish its predominance unilaterally and

    abruptly, it should progressively facilitate the creation of a new BOP arrangement 

    in the global and regional levels. In other words, the hegemon ought to allow and

    encourage the peaceful rise of other security-seeking powers that would assume

    responsibility of maintaining the equilibrium alongside the hegemon. The hegemon,

    in turn, should pursue an   ‘offshore balancing’ grand strategy that would prevent the

    resurgence of uncontrolled power politics by pledging to intervene whenever and

    wherever the BOP in key regions is threatened. In  ‘normal times’, the regional order 

    is based on mutual balancing among the regional powers and the curtailment of attempts at reaching regional hegemony. According to the   ‘offshore balancing’

    strategy, the hegemon encourages the mutual balancing among the regional powers

    without its direct military involvement in the region. When the regional balance is

    threatened as an offensive power seems to emerge, then the hegemon will consider a 

    direct military intervention in the region  – but only if the region is important enough

    for the great power from the perspective of the global distribution of capabilities

    (Layne, 1997;   Mearsheimer, 2001; and   Walt, 2011). The hegemon may help to

    construct a balancing coalition which opposes revisionist attempts at reaching a 

    regional hegemony. The key members of the coalition are the major regional  statusquo states. But at the same time, the hegemon should abstain from over-meddling in

    non-acute aspects of international affairs, thus mitigating the negative effects of its

    preeminent position (Layne, 1997; See also Art, 1991, 2003).

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    Third-image/state-centric optimists (or hegemonic optimists)

    While some offensive realists focus on the contribution of hegemony to the national

    security of the hegemon itself (Zakaria, 1998;  Mearsheimer, 2001;   Layne, 2006),

    others emphasize the benecial attributes of hegemony for world order (Organski and

    Kugler, 1980; Gilpin, 1981; Modelski, 1987; Wohlforth, 1999). This is partly related

    to hegemonic stability theory (HST), the logic and implications of which for world

    peace are contradicted by BOP theory associated with defensive realism. Despite

    their common roots in classical and structural realism, the basic premises of HST

    directly contradict those of the BOP school. The  rst assumption of this school is that 

    order in world politics is usually created and maintained by a single dominant 

    state (Organski, 1968, p. 354;  Modelski, 1978, p. 217; Gilpin, 1981, p. 145). This

    assumption rests on the logic of collective goods theory; hegemons are both more

    able and willing to provide public goods than other states, which prefer to free ride

    rather than share in the costs. Hegemons, for their part, will be more willing to pay

    these costs because they benet greatly from a well-ordered and stable political and

    economic system (Olson, 1971).

    The second assumption is that continued order depends on the persistence of 

    hegemony since the emergence of powerful challengers undermines the established

    and mutually benecial international order (Organski, 1968: Chapter 14, esp. 361,

    366–367; Modelski, 1978, p. 217).

    Contrary to traditional BOP expectations, Organski’s  ‘power transition’ model, for 

    example, suggests that growing equality in the distribution of capabilities among

    the great powers will make the international system, in reality,  less rather than more

    stable and increase the risks of a major war. The classic historical illustration of 

    the hegemonic stability argument is the nineteenth century   ‘Pax Britannica ’, which

    was supposedly guaranteed by Britain’s predominant economic and maritime power.

    Rising German capabilities at the end of that century, so the argument goes, posed a 

    challenge to the British-led international order; this challenge culminated in WWI

    and its destructive aftereffects. After 1945, and especially in the post-Cold War era,the hegemonic stability school maintains, it has been US preponderance that has

    ensured peace and prosperity through Pax Americana, and the emergence of equally

    capable powers could undermine this order (Layne and Schwarz, 1993;   Sheetz,

    1997/98).

    Hegemonic Optimists argue that hegemonic systems have the potential of actually

    providing security, stability and economic prosperity rather than inducing political or 

    economic rivalry and strife (Keohane, 1980). As Lake (1984, p. 147) has put it, the

    existence of a hegemonic international system   ‘may approximate conditions of low

    uncertainty, where nations can be reasonably condent that the leader will maintainstability and a liberal regime’. On the basis of the logic of HST, these writers argue

    that a benign hegemonic order is not only possible, but is also very much desirable as

    long as the hegemonic power acts responsibly and prudently (Keohane (1984, p. 31).

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    A benign hegemon, namely a non-coercive one, may create an orderly and stable

    international system. This, however, also depends on the duration of the hegemonicconstellation. In addition to material superiority and the willingness to act as the

    ultimate provider of collective goods, the hegemonic power furthermore needs to

    generate support and approval for its policies and administrative principles

    (Ikenberry, 2001, p. 28; Mastanduno, 2002, pp. 264–265).

    From such a vantage point, the post-Cold War international system that is

    missing both the bipolar distribution of capabilities and the ideological rivalry

    between the United States and the Soviet Union is at present a hegemonic/unipolar 

    system under US leadership, with a golden opportunity to freely implement what 

    writers referred to in the past as American providence or exceptionalism (Lipset,

    1997;   Mead, 2002). This perspective essentially entails a fundamental under-

    standing that the international environment is much more receptive to American

    policies and ideals as they proved to be better than the alternatives and serve as an

    indispensable option for all democracies. The same American model can be

    also applicable to other regions and regimes as the cases of Central and Eastern

    Europe or the former Soviet Republics suggests. The end of the Cold War has

    provided a genuine, and perhaps unprecedented, opportunity to build an inclusive

    world order that will be based on American benign hegemony and Washington’s

    willingness to extend its inuence in a global scale. As former American President 

    George H.W. Bush and his former National Security Advisor Brent Scowcroft 

    recalled:

    We were suddenly in a unique situation, without experience, without 

    precedent, and standing alone at the height of power. It was, it is, an

    unparalleled situation in history, one which presents us with the rarest 

    opportunity to shape the world and the deepest responsibility to do so wisely

    for the benet of not just the United States but all nations. (Bush and Scowcroft 

    1998, p. 564)

    Hegemonic Optimists see no erosion in the role of the state as the major actor ininternational politics. Indeed, prominent hegemonic stability theorists such

    as   Gilpin (2001, p. 17) insist that despite the rise in number and importance of 

    INGOs and the overall effects of globalization,   ‘in the determination of international

    affairs…   the state remain[s] the principal actor ’  (see also Gilpin, 1996). Globalization

    is a force that, from their point of view, completes the triumph of the West over 

    the East as this process encompasses everything that the United States stands for:

    human and civil rights, free trade, free movement of people, services and nance. It is the

    internationalization, liberalization, universalization, westernization and moderni-

    zation, and interdependence of world affairs (Scholte, 2000, pp. 15–16; Agnew, 2005:Chapter 6).

    From a prescriptive vantage point, hegemonic Optimists believe that   only   the

    United States is able to generate a truly stable and peaceful hegemonic world order 

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    for the benet of all mankind.5 As Kagan (1998, p. 26) argued:

    The truth is that the benevolent hegemony exercised by the US is good for a vast portion of the world’s population. It is certainly a better international

    arrangement than all realistic alternatives. To undermine it would cost many

    others around the world far more than it would cost Americans  – and far sooner 

    (see also Kagan, 2012).

    (Huntington, 1993b, p. 83) asserted similarly that 

    A world without US primacy will be a world with more violence and

    disorder and less democracy and economic growth than a world where the

    United States continues to have more inuence than any other country inshaping global affairs. The sustained international primacy of the US is central

    to the welfare and security of Americans and to the future of freedom,

    democracy, open economies, and international order in the world.

    Thus, American strategists illustrated this line of thinking in the 1992 leaked

    Defense Planning Guidance (DPG) that called for the preservation of American

    global ascendancy and proactive opposition to hegemonic contenders (Tyler,

    1992).

    But how does this notion of American exceptionalism coincide with other states’

    interests and security concerns? According to Ikenberry, there exists a trade-off 

    between American willingness to behave in compliance with certain broadly dened

    rules or norms and US expectation that others will cooperate and concede to its

    preeminent global position. The hegemonic order satises both the hegemon and the

    weaker actors in the system; the hegemon’s interests in retaining a predominant 

    position are rather self-evident and revolve around the capacity to shape the world

    order and enjoy the spoils of providing collective goods. The weaker actors accept 

    reassurances for their security and long-term prosperity that is based on the

    hegemonic economic and political benevolent character (Ikenberry, 1998/1999,

    2001).

    Propositions: Under which Conditions Does each Perspective Have aGreater Validity?

    To turn the novel typology introduced here into an explanatory framework, we have

    to specify the conditions under which one perspective is more valid than the others.

    As the focus of this article is on presenting the new typology and illustrate its

    usefulness, we can address this issue only briey in the form of propositions andbriey suggestive/illustrative applications which have to be more comprehensively

    investigated in a future study. As the collapse of bipolarity has made the international

    system essentially unipolar (Wohlforth, 1999;   Brooks and Wohlforth, 2008),

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    it makes sense to focus on the hegemon (or unipole) and its effectiveness (or lack of)

    in providing collective goods, including coping with various challenges and threats.Thus, the basic proposition is that the conditions for the dominance of each of the

    perspectives refer to the distribution of capabilities in the international system 

    and the extent of the challenges/threats faced by the hegemon (or unipole) in the

    following combinations:

    1. The conditions under which the Liberal/Constructivist-Optimists’   expectations

    are more likely to take place: Under Hegemony of a liberal great power which

    confronts relatively low threats

    The Logic of the proposition: Under a powerful liberal hegemon, democratiza-

    tion and free trade are going to make a major headway and   ‘good’ /benign

    non-state actors (international institutions and INGOs) can prosper, while

    advancing and proliferating a great variety of the aspects of the liberal agenda 

    (ideas, norms and institutions). All of these produce a more peaceful and

    cooperative world.

    Key Application   –   1989–1994 period: The Optimists’   expectations seemed

    to be met in the   rst few years following the end of the Cold War and the

    collapse of the Soviet Union. During the  rst half of the 1990s we witnessed

    two major developments: (i) Growing role and inuence of   ‘nice’   non-state

    actors: the EU, the UN, numerous INGOs; and also the rising acceptability of 

    the idea and the practice of humanitarian intervention in the domestic affairs of 

    sovereign states; and (ii) A more peaceful and stable international system than

    the Cold War because of the termination of the protracted rivalry between the

    United States and the Soviet Union and related proxy conicts in the Third

    World.

    2. The conditions under which the Hegemonic Optimists’   expectations are more

    likely to take place: Under Hegemony which confronts challenging threats in

    unstable regions, but is still able to pacify these regions.

    The Logic of the Proposition: The powerful hegemon shows its ability to contributeto public goods by effectively addressing important challenges to international

    peace and stability, while non-state actors fail to deliver these goods.

    Key application   – 1995–2000: The hegemonic predictions seemed to be met most 

    forcefully during the second half of the 1990s. After a few years of reluctance to

    intervene in the bloodshed in the Balkans, and the failures of the EU and the UN to

    end the violence there, the United States successfully pacied this extremely

    volatile region. The transition to unipolarity also helped to produce some progress

    in the Arab–Israeli peace process and curb Chinese aggressive policies in the

    Taiwan Straits.3. The conditions under which the New Conict Pessimists’  expectations are more

    likely to take place: The Hegemon is confronted by a new type of threats posed by

    violent non-state actors and asymmetric warfare in failed states. The unipole has a 

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    hard time pacifying growing instability in these places.

    The Logic of the Proposition: The hegemon is unable to deal effectively and inaffordable costs with these   ‘bad’ /violent non-state actors (which might also be

    af liated with another  ‘civilization’). Thus, this conguration shows the limits to

    the capacity of even powerful states to address the new challenges posed by non-

    state actors and failed states.

    Key application  – 2001–2007: The New Conict Pessimists’ predictions appeared

    to be coming to fruition following the terrorist attacks of 11 September 2001,

    especially considering the growing challenges to the US. Violent non-state

    actors, and in this case Al-Qaeda and its af liated terror cells, seemed to be on

    the rise, while international peace and stability were threatened more than in

    the 1990s. The hegemon did not seem to be able to pacify the failed states in

    which it intervened  – Afghanistan and Iraq  – and even made the situation there

    worse despite the considerable blood and treasure it spent over there.

    4. The conditions under which the BOP Pessimists’ expectations are more likely to

    take place: Major changes in the distribution of capabilities  – a relative decline of 

    the hegemon who is confronting rising powers.

    The Logic of the Proposition: Major changes in the distribution of capabilities are

    taking place toward a greater balance in the system  – a power transition in which

    the hegemon is in relative decline, while new powers are rising and presenting

    growing challenges to the dominance of the hegemon (though, none of them 

    seems to become the hegemon in the foreseeable future).

    Key application  – 2008–2014: The transition of relative power in the last years of 

    the  rst decade of 2000s seems to reinforce the credibility of the BOP perspective

    as the world seems to be moving to a relatively greater balance among the great 

    powers even if the United States is still the dominant power. This is reected by

    the growing capabilities of the rising powers: most notably China but also to a 

    lesser extent   –  India and Brazil (see   Table 3), while the West has suffered the

    consequences of the  ‘Great Recession’.

    Moreover, there is some return of great power conict in the last few years,especially as revisionist powers   – China and Russia   – pose greater challenges to

    the hegemon and its allies. These conicts include Japan and China in the East 

    China Sea; United States and China as a result of the growing conicts between

    China and US allies in East Asia, notably Japan and the Philippines; and the

    conict between Russia and the West over Ukraine in 2014.

    Conclusions

    In face of the deciencies in the existing theoretical literature concerned with the

    post-Cold War international security order, we offer a novel typology that 

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    Table 3:  The global change in the Balance of Power 

    Gross domestic Production

    (in current million US$)

    GDP growth Rate

    (%)

     Military b

    (in million

    1990 2000 2010 1990 2000 2010 1990 2000

    Brazil 461 951 644 701 2 143 035   −4.3 4.3 7.5 52 182 25 1

    China 356 936 1 198 474 5 930 529 3.8 8.4 10.4 19 820 37 0France 1 244 163 1 326 334 2 548 315 2.6 3.6 1.7 70 527 61 7

    India 326 608 474 691 1 710 917 5.5 3.9 10.5 18 807 27 6

    Japan 3 103 698 4 731 198 5 495 379 5.5 2.2 4.6 47 802 60 2

    Russian (Soviet Union) 516 814 259 708 1 524 916   −2.9 10 4.5 291 082 32 5

    The United Kingdom 1 019 307 1 475 705 2 256 260   −1.55 4.2 1.7 58 828 48 0

    The United States 5 750 800 9 898 800 14 419 400 1.8 4.1 2.3 527 174 394 1

    Source: World Bank, SIPRI.  

    2   3  

     ©2   0  1   6  M a  c mi   l   l    a nP  u b  l   i    s h   e r  s L  t   d   .1   3   8  4  - 5   7 4   8  

    I   n t    e r n a t   i     on al    P  ol    i     t   i     c  s 

    1  – 3   0  

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    diverges from the strict traditional division of realist, liberal and constructivism 

    scholarship. Instead, we advocate a more nuanced understanding of post-Cold War international security that generates four ideal-type categories that encapsulate the

    variation in levels of analysis and in the role and centrality of the state, on the one

    hand, and the degree of peacefulness and stability of the post-Cold War order, on the

    other hand.

    Unlike previous attempts to interpret the post-Cold War order according to the

    common   ‘isms’, this article chooses to differentiate between the various theoretical

    explanations based on their relations to three key factors: (i) whether the state is still

    the central actor in international politics relative to non-state actors; (ii) whether the

    post-Cold War international system is more peaceful than earlier congurations,

    especially the bipolar era; (iii) the level of analysis on which the school is operating:

    second-image versus third-image analysis. Each of the approaches identied in

    this work   – ‘BOP Pessimists’,   ‘New Conicts Pessimists’,   ‘Liberal/Constructivist-

    Optimists’   and   ‘Hegemonic Optimists’, highlight different and sometimes con-

    tradictory aspects of these developments. Some (the BOP Pessimists and the

    Hegemonic Optimists) argue that the role of the state remains central to world

    politics, whereas others (both the liberal/constructivist-Optimists and the New

    Conicts Pessimists) argue that the end of the Cold War and the proliferation of 

    numerous kinds of non-state actors hinder its conventional functions as the key actor 

    in international politics.

    Some argue that the transformation from a highly discordant bipolar world order to

    unipolarity under American hegemony has greatly contributed to the stability of 

    the international system (the Hegemonic Optimists), while another approach (the

    Liberal/Constructivist-Optimists) shares the view of the peacefulness of the post-

    Cold War system, but attributes it to the spread of liberal/democratic actors,

    institutions, norms and ideas.6 Others (the BOP Pessimists) observe the negative

    effects of unipolarity arguing that American hegemony actually encourages the abuse

    of power by the hegemon and thus the pursuit of balancing behavior, which in turn

    will eventually bring about major conict between the hegemon and the emergingpower(s). Still others (the New Conict Pessimists) highlight the de-stabilizing

    effects of the Clash of Civilizations, and the spread of violent non-state actors in

    failed states.

    We suggest two key conditions for the dominance of each one of these

    perspectives in the post-Cold War era: the balance of capabilities and the level of 

    threat in the international system. The combined effect of variations in these

    conditions generates four propositions. Each one of these propositions seems to

    capture some of the key developments in one sub-period of the post-Cold War era.

    This highlights some of the most interesting changes during the post-Cold War era,especially in the international security   eld. A rigorous examination of these

    propositions and their empirical application calls for a future study.

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    About the Authors

    Benjamin Miller is Professor of International Relations at the School of Political

    Sciences, The University of Haifa. His work in international relations focuses on

    explaining patterns of international conict and cooperation and the sources of war 

    and peace. His current project focuses on explaining changes in US grand strategy

    since World War II. Another major project explains variations in war and peace in the

    post-Cold War era. Among his publications   –   When Opponents Cooperate: Great 

    Power Con  ict and Collaboration in World Politics (Ann Arbor, MI: The University

    of Michigan Press, 2nd edn., 2002); and   States, Nations and Great Powers: The

    Sources of Regional War and Peace   (Cambridge: Cambridge University Press   –

    Cambridge Studies in International Relations, 2007).

    Ilai Z. Saltzman earned his PhD in International Relations from the University of 

    Haifa. He is currently the Schusterman Visiting Assistant Professor of Government at 

    Claremont McKenna College. He is the author of   Securitizing Balance of Power 

    Theory: A Polymorphic Reconceptualization (Lexington Books, 2012).

    Notes

    1 Another important pessimistic prediction was Kaplan (1994). Even though it differed from Huntington’s

    view quite a bit, we highlight some basic similarities inside the framework of the same  ‘pessimist ’ approach.

    2 It is true that constructivism provides a more general paradigm focusing on ideas, norms and identities,

    which can also capture illiberal ones, but as a matter of fact most constructivists have advanced ideas and

    norms which are close to liberalism (see  Moravcsik, 1997, pp. 539–540; for a partial qualication see

    Barnett, 1997, pp. 550–551).

    3 See Mearsheimer (1994/1995), who was criticized by neoliberal institutionalists (Keohane and Martin,

    1995), liberals (Kupchan and Kupchan, 1995) and a constructivist (Wendt, 1995).

    4 For a critical review of different theoretical approaches to the balance of power, see   Little (2007).

    On theoretical, regional and policy aspects of the balance of power in the post-Cold War era, see  Paul et al.

    (2004). For competing theoretical perspectives on the balance of power, see  Vasquez and Elman (2003).5 For different perspectives on post-Cold War US hegemony, see   Zartman (2009). For a liberal

    perspective, see Ikenberry (2011).

    6 For different theoretical perspectives on unipolarity, see Ikenberry et al. (2011).

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