These formal agreements between countries helped turn a conflict between Austria-Hungary and Serbia into a world war.
What are alliances?
100
These automated weapons led to many casualties and forced soldiers below ground level.
What are machine guns?
100
The sinking of the Lusitania by this, killing more than 100 Americans, helped prompt U.S. involvement in the war.
What is a German submarine?
100
The Selective Service Act did this.
What is "set up a draft"?
100
This country was completely divided up after losing the war.
What is Austria-Hungary?
200
An intense feeling of pride in one's country or ethnic group, this led Gavrilo Princip to assassinate Franz Ferdinand.
What is nationalism?
200
This was a way poison was delivered during the war.
What is gas?
200
Germany's vow to re-start this mode of warfare in 1917 was another cause of U.S. entry.
What unrestricted submarine warfare?
200
People were asked to grow "victory gardens" for this reason.
What is "to allow food to go to the soldiers"?
200
The country was forced to take the blame for the war and pay reparations.
What is Germany?
300
This event in Sarajevo, Bosnia, in Austria-Hungary, is considered the "spark" that ignited the war.
What is the assassination of Franz Ferdinand?
300
These were used for surveillance and engaged in aerial combat known as "dogfights."
What are airplanes?
300
The Zimmerman note promised this to Mexico in exchange for an alliance against the U.S.
What return of lands lost in the Mexican-American war?
300
Two kinds of food people were asked to eat less of.
What are meat, wheat, sugar, etc.?
300
This organization was formed after WWI to prevent was from ever occurring again.
What is the League of Nations?
400
The build-up of military forces among European nations is considered one cause of the war. Is this called
a) armament
b) militarism
c) fortification
d) armyism
What is militarism?
400
Armies set up vast systems of these, where soldiers lived and fought for weeks at a time.
What are trenches?
400
President Wilson stated that the U.S.'s reason for entry into the war was to make the world safe for this.
What is democracy?
400
The purpose of liberty bonds.
What is "to raise money for the war effort"?
400
This country lost its coastline on the Mediterranean Sea to Greece.
What is Bulgaria?
500
Wilson's 14 Points addresses this cause when he said groups should have the right of self-determination.
What is nationalism?
500
These armored vehicles carried combatants into dangerous territory.
What are tanks?
500
One view of the reason for U.S. entry is that it was meant to protect business that U.S. companies was doing with this side.
What is the Allies?
500
The purpose of the Espionage and Sedition acts.
What is "to limit free speech interfering with the war effort"?
500
A fear that the organization would be able to force the U.S. to send troops to fight in a war.
What is a reason why the U.S. never joined the League of Nations?