Two or more nations working together for a common defense.
Alliance System
German emperor
Kaiser
To give up power
Abdicate
Russian Emperor
Czar
World War I
WWI
Land between trenches of opposing armies during WW1
No Man's Land
German telegram to get Mexico to attack US
Zimmermann Telegram
Association of nations formed after WW1
League Of Nations
A ship that was sunk in WWI by German U-boats
Lusitania
Country pays for damage caused by war
Reparations
Alliance between Russia, Great Britain and France
Triple Entente
A union or association between three powers or states
Triple Alliance
President during WW1
Woodrow Wilson
A person who tries to stir up war
Warmonger
Mobile armored vehicles with a cannon
Tanks
Gathering of resources and preparation for war
Mobilization
Maintain strong military and be prepared to use it
Militarism
A rapid firing weapon
Machine Guns
Patriotic efforts
Nationalism
German Submarines
U-boats
Germany alone responsible for causing the war
War Guilt Clause
WWI defense by fighting from the protection of ditches
Trench Warfare
Ended WWI, Germany agreed to pay reparations
Treaty Of Versailles
U.S bonds sold during WW1 to raise money for the Allies
Liberty Bonds
Trenches from English Channel across France
Western Front