| A | B |
| nationalism | extreme devotion to one's country and a desire for national independence |
| imperialism | policy of extending the rule of one country over other countries |
| Triple Alliance | Pre-wartime alliance between Germany, Austria-Hungary, & Italy |
| Triple Entente | Pre-wartime alliance that included France, Russia, & Great Britain |
| militarism | the arms race |
| propaganda | the use of words or ideas to further a cause or to do damage to an opposing cause |
| Allies | the side that the U.S. backed in WWI |
| Central Powers | wartime nations that included the Ottoman Empire |
| Balkans | the "powder keg of Europe" |
| Lusitania | torpedoed British ship carrying contraband as well as passengers |
| Zimmermann Note | Revealed that Germany wanted an alliance with Mexico |
| unrestricted submarine warfare | immediate cause of U.S. entry into WWI |
| Schlieffen Plan | German policy to defeat France before focusing fully on Russia |
| Alsace-Lorraine | territory lost by France to Germany in the Franco-Prussian War |
| pacifists | those who oppose war on religious or moral grounds |
| Woodrow Wilson | U.S. president during WWI & author of the Fourteen Points |
| League of Nations | Post-war peace organization |
| The Big Four | Heads of state who negotiated Treaty of Versailles |
| Fourteen Points | Wilson's plan for a lasting peace |
| reparations | payments for war damages |
| Treaty of Versailles | Made Germany fully responsible for WWI |
| Irreconcilables | Senators totally opposed to U.S. entry into League of Nations |
| Armistice | An agreement to stop fighting |
| trench warfare | method of fighting in WWI which led to years of stalemate |
| Armenian Massacre | Turkish deportation & annihilation of Christians who had thrown their support to the Russians |
| Espionage & Sedition Acts | attempts to suppress anti-war sentiments in the U.S. |
| Bolshevik Revolution | Reason for Russian withdrawal from WWI |
| Treaty of Brest-Litovsk | Agreement costing Russia land & resources |
| War Industries Board | Industrial mobilization led by Bernard Baruch |
| Food Administration | Led by Herbert Hoover, it encouraged Americans to conserve resources needed for the war effort |
| war of attrition | German policy that resulted in massive wartime casualties |
| Sussex Pledge | German agreement to warn merchant ships in advance of torpedo attack |
| Alvin York | Originally a conscientious objector, he became the most decorated American hero in WWI |
| Jeannette Rankin | First female member of Congress & noted war opponent |
| Great Migration | Mass movement of African- Americans to northern & western cities |
| Urban League | Formed to aid in the adjustment of African-Americans to city life |
| Self-determination | the right of a national group to form their own government |
| Mandate | A territory taken from defeated nations & placed under the control of the victors |
| war debts | money borrowed to carry on war |
| Reservationists | Senators who wanted changes in the League of Nations charter before approving U.S. entry |
| Isolationism | policy of avoiding political & economic alliances with other countries |
| Saar Valley | France was given mining rights in this German region by the Treaty of Versailles |
| Liberty bonds | One method of financing the U.S. war effort |
| Spanish influenza | world-wide epidemic resulting in the deaths of millions |