Causes of WW1
This cause involves countries building up their armies and weapons
militarism
A new fighting style used to defend soldiers from artillery fire
trench warfare
This ship’s sinking helped turn American opinion against Germany
Lusitania
Heavy WWI losses helped cause this major political event in Russia
russian revolution
The country forced to accept blame for WWI.
Germany
Extreme pride in one’s country that motivates people to fight
nationalism
A deadly weapon that forced soldiers to wear masks and changed battlefield tactics.
poison gas
The U.S. officially entered WWI in this year
1917
The last Russian czar who abdicated during the revolution.
nicholas II
This international organization was Woodrow Wilson’s idea for keeping peace
League of Nations
The “spark” that started WWI in 1914.
Assassination of Archduke Franz Ferdinand
These armored vehicles were introduced to cross trenches and rough terrain
tanks
This message urged Mexico to attack the U.S. and angered Americans
Zimmermann Telegram
This political idea based on workers controlling production guided the Bolsheviks.
Bolsheviks
One major empire broken apart after WWI.
Austro-Hungarian
Ottoman
Russian
German
The two major alliance systems before WWI began.
triple alliance and triple entente
This advancement allowed rapid‑fire shooting and caused mass casualties
machine guns
This type of German weapon attacked ships without warning in the Atlantic
U-boat / submarine
Leader of the Bolsheviks who promised “Peace, Land, and Bread.”
Lenin
Treaty that forced Germany to pay reparations and accept responsibility
Treaty of Versailles
This cause involves competition for colonies and global domination
imperialism
This term describes how WWI used all resources, industries, and civilians to support the war
total war
This long battle tactic resulted in no progress or movement along the Western Front.
stalement
Leader of Russia after Lenin
Stalin
Wilson’s plan for peace based on diplomacy and cooperation.
14 Points