World War I
1914-1918
World War I 1914-1918
Causes of the war (long-Causes of the war (long-term)term)
NationalismNationalism ImperialismImperialism AlliancesAlliances Military buildupMilitary buildup
Immediate cause of the warImmediate cause of the war
Assassination of Assassination of Archduke Franz Archduke Franz Ferdinand and his Ferdinand and his wife of Austria-wife of Austria-Hungary by Hungary by Gavrilo Princip of Gavrilo Princip of SerbiaSerbia
Key “Allied Powers”Key “Allied Powers”
Great BritainGreat Britain FranceFrance ItalyItaly Russia (pulled out of the war in Russia (pulled out of the war in
1917)1917) US (entered in 1917)US (entered in 1917)
Key “Central Key “Central Powers”Powers” GermanyGermany Austria-HungaryAustria-Hungary Ottoman EmpireOttoman Empire BulgariaBulgaria
Allied vs. Central PowersAllied vs. Central Powers
New technologies of war Trench warfare
Poison (mustard) GasPoison (mustard) Gas
Machine gunMachine gun
TankTank
Submarine (or U-boat in Germany)Submarine (or U-boat in Germany)
AirplaneAirplane
Manfred von Manfred von Richthofen—Red Richthofen—Red BaronBaron
Edward RickenbackerEdward Rickenbacker—American Ace—American Ace
The US tried to stay neutral, The US tried to stay neutral, but…but…
US lent money to the AlliesUS lent money to the AlliesGermany created a blockade around Germany created a blockade around
Britain and sank boats with any Britain and sank boats with any supplies we tried to give the Alliessupplies we tried to give the Allies
Britain also created a blockade Britain also created a blockade around Germany, starving about around Germany, starving about 750,000 civilians750,000 civilians
May 7, 1915—Germany sinks the May 7, 1915—Germany sinks the Lusitania, Lusitania, killing 128 Americanskilling 128 Americans
Germany had warned usGermany had warned us
FURTHER EVENTSFURTHER EVENTS
Sussex Sussex isis attacked in March 1916attacked in March 1916 Germany makes Sussex Pledge, Germany makes Sussex Pledge,
promising to warn ocean liners before promising to warn ocean liners before attacking themattacking them
Germany resumes full-scale U-boat Germany resumes full-scale U-boat warfare in February 1917warfare in February 1917
Zimmermann Note, Zimmermann Note, March 1917March 1917
In this note….In this note….
Germany asks Mexico Germany asks Mexico for support in exchange for support in exchange for helping Mexico get for helping Mexico get back territories lost to back territories lost to the USthe US
US enters the war—April 6, US enters the war—April 6, 19171917
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