| A | B |
| Imperialism | the domination by one country of the political, economic, or cultural life of another country or region |
| Central Powers | Germany, Austria-Hungary, Ottoman Empire |
| Allied Powers | Great Britain, France, Russia, United States |
| Assassination of Archduke Ferdinand | Spark that started World War I |
| Schlieffan Plan | German plan to avoid a two front war by attacking France first |
| Nationalism | pride in one's people or nation |
| Militarism | aggressive building up of the military |
| Western Front | Where most fighting occurred during WWI (in France) |
| Stalemate | deadlock where noone is winning or losing |
| Unrestricted Sumarine warfare | practiced by Germany; sinking any and all enemy fleets |
| Woodrow Wilson | President of USA during WWI |
| Fourteen Points | peace plan proposed by Wilson |
| League of Nations | International peace organization proposed by Wilson |
| Trench Warfare | series of ditches used in combat for both sides; used mainly on the western front |
| Propoganda | spreading ideas to promote a cause or denounce an opposing cause |
| Treaty of Versailles | Treaty ending World War I and giving Germany all the blame for the war |
| armistice | to lay down arms/weapons (November 11th, 1918) |
| Reparations | payments for war damages |
| Kaiser Wilhelm II | Leader of Germany during WWI |
| Czar Nicholas II | Leader of Russia during the beginning of WWI |
| Bolsheviks | radical socialist group in Russia led by Lenin |
| Rasputin | advisor to the Russian royal family who is assassinated in 1916 |
| Lenin | leads the Red Guards to overthorw the Russian czar and set up a communist government |