People
This person declared that their country would be neutral when WWI began
Woodrow Wilson
The event (spark) that started WWI
assassination of Archduke Franz Ferdinand
This weapon was used to find enemy troops and drop small bombs
airplanes
information designed to influence opinion
propaganda
this British passenger liner was hit by the Germans, killing almost 1,200 passengers–including 128 Americans
Lusitania
This nickname was given to American soldiers in Europe
"doughboys"
This caused the war to spread
alliances
This weapon caused blindness, vomiting, and suffocation
poison gas
defense agreements made to keep a balance of power
alliance system
Russian, Austo-Hungarian, Ottoman empires
leader of Germany in WWI
Kaiser Wilhelm II
each nation's desire to strengthen their armies/navies led to tension.
militarism
This weapon could cross barbed-wire trenches but were not always reliable
tanks
feeling of intense loyalty toward a country, region, or group
nationalism
This was a German promise to warn neutral ships and passenger ships before attacking
Sussex Pledge
They took manufacturing jobs and jobs in the shipping and railroad industries
European nations competed for colonies in Africa and Asia
imperialism
Germany used this weapon to break through British blockades
U-boats
strengthening armed forces in order to make your country more powerful or prestigious
militarism
This event occurred on November 11, 1918 and eventually became a national holiday.
Armistice Day
This group opposed Wilson's peace plan and did not ratify the Treay of Versailles
the Senate
This cause led various ethnic groups to fight for independence and break away from existing empires
nationalism
First used by the Germans in 1915, this terrifying new weapon was an effective tool against trenches
flamethrower
a powerful nation that controls smaller, weaker countries or regions
imperialism
These two countries were not invited to the Paris peace conference in January, 1918
Germany and Russia