| A | B |
| nationalism | pride in or devotion to one's country |
| imperialism | policy of stronger nations taking over the economic or political affairs of weaker countries or regions |
| militarism | policy of building up one's military |
| alliances | partnership formed between countries either militarily or politically |
| Triple Alliance | pre-WWI alliance of Germany, Austria-Hungary & Italy |
| Triple Entente | pre-WWI alliance of France, Great Britain & Russia |
| mobilize | to prepare for war |
| kaiser | name for German emperor |
| Central Powers | WWI alliance of Germany, Austria-Hungary & Ottoman Empire |
| Allied Powers | WWI alliance of France, Great Britain & Russia |
| stalemate | situation in which neither side is strong enough to defeat the other |
| trench warfare | type of fighting in which sides dug ditches protected by mines and barbed wire |
| propaganda | spreading of ideas or beliefs that help or hurt a particular cause |
| u-boats | German submarines |
| Lusitania | British passenger ship sunk by the Germans |
| Zimmerman Telegram | note sent by Germany to Mexico asking Mexico to attack U.S. |
| Selective Service Act | required all men from age 21 to 30 to register for the military draft |
| Food Administration | government agency established to boost food production |
| War Industries Board | government agency established to tell factories what they had to produce |
| War Labor Board | government agancy established to settle disputes over working hours and wages and to stop strikes |
| liberty bonds | method in which American citizens lend money to the government |
| pacifists | person who refuses to fight in a war |
| Bolsheviks | communist group who overthrew the Russian czar |
| Treaty of Brest-Litovsk | agreement between Russia & Germany to end fighting |
| American Expeditionary Forces | troop sent to Europe under the command of John J. Pershing |
| armistice | agreement to stop fighting |
| Fourteen Points | President Wilson's goals for peace after WWI |
| League of Nations | association of nations proposed by Woodrow Wilson in his Fourteen Points |
| self-determination | right of naional groups to their own territory and form of government |
| reparations | payments for losses that a nation has suffered during a war |
| Versailles Treaty | treaty that ended WWI |