Per. VI: 1900-1995

Key Concept #1 Advancement of Science• New technologies• transportation• communication

Deeper scientific understanding Einstein – theory of relativity

later:

Quantum mechanics Big Bang theory

Advancement of Science

Industrialization of food◦New plant species through genetics

Genetically-Modified Organisms (GMOs)

◦More food produced through chemicals

DDT

The Green Revolution (after WWII)

Oil & Nuclear power Increased productivity & production Exploitation of environment

◦ Global warming◦ Water pollution◦ Air pollution◦ Deforestation◦ Desertification

Energy technologies

Diseases of poverty persist Guinea worm Malaria Cholera

New epidemics emerge Spanish Flu: 1917-18 AIDS SARS Malaria, Ebola, Dengue, Chicangunya

Disease & Demographic Change

Lifestyle diseases: Diabetes, Type II Heart disease Alzheimer’s Drug abuse

Lifestyle changes: Birth control Artificial procreation Longevity

Disease & Demographic Change

New technologies: Tanks, planes, machine guns, poison gas Firebombings, nuclear weapons

Wartime casualties Rape of Nanjing Firebombing of Dresden Atomic bomb on Hiroshima

Advanced military technologies

Key Concept #2: Global Conflicts

◦ By 1900, global political order existed European dominated

◦ Empires decline Ottoman, Russian, Qing

◦ Colonies negotiate independence India

Per. VI: 1900-1995

Anti-imperialism emerges Nationalist leaders in Asia & Africa

Ho Chi Minh Mohandas Gandhi

Regional/ethnic movements independent Pakistan state of Israel

Land re-distribution movements rise of communism

Global Conflicts

Population resettlements:

India/Pakistan division of Middle East (former Ottoman

Empire) migrations to colonial metropoles ethnic violence refugees

Demographic Changes

Sources of Global Conflict: Competition for resources Power rivalries Imperialism Nationalism Ethnic conflict Economic crises

World Wars I & II

Rapid shift to USA vs. USSR Superpowers Ideological struggle Capitalism vs. Communism New military alliances NATO, Warsaw Pact Proxy wars (Latin America, Africa, & Asia)

Cold War – after WWII