| A | B |
| Selective Service Act | Law requiring men to register for military sservice |
| convoy system | having merchang ships travel in groups protected by warships |
| Alvin York | consicientious objector who became an American war hero |
| conscientious objector | a person who believes fighting is wrong and thereofre does not want to seve in the mililtary |
| Eddie Rickenbacker | Famous Amercian fighter pilot |
| militarism | building up armed forces to prepare for war |
| Allies | one side in WWI including Great Britain, France, and Russia, later the US |
| Central Powers | One side in WWI; Germany Austria HUngary and the Ottoman Empire |
| no man's land | The space between armies fighting each other |
| trench warfare | fighting between fortified ditches |
| Lusitania | Br. passenger ship attacked and sunk by Germans |
| Zimmerman Note | Message proposing an alliance between Germany and Mexico |
| Espionage and Sedition Act | laws that enacted harsh penalties against anyone opposing U.S. participation in WWI |
| Great Migration | movement of many African Americans to northern cities from the South in the early 1900s |
| Jeanette Rankin | 1st women elected to the House of Representatives;voted against going to war in WWI and again in WWII |
| Fourteen Points | Wilson's Plan for world peace following WWI included League of Nation |
| League of Nation | an international peace-keeping organization progposed by Wilson and founded in 1920 |
| Treaty of Versailles 1919 | the treaty that ended WWI |
| reparations | payments made by defeated countries after a war |
| war-guilt clause | part of the Treaty of Versialles in which Geramny toook full responsibility |
| Henry Cabot Lodge | Consevativesenator who wanted to keep the US out of the League of Nations |
| Balkan Penninsula | the powder keg of Europe |
| Treaty of Brest Litovsk | treaty signed between Russia and Germany |
| Ukraine | "the bread basket of Europe" |
| doughboys | nickname for us soldiers |
| victory gardens | Americans were urged to grow these to help the war effort |
| liberty bonds | Americans were encouraged to buy this to help finance the war effort |
| George Cohan | wrote patriotic songs like "You're a Grand Old Flag" and "Over There" |
| Archduke Franz Ferdinand | heir to the Austrian Hungarian throne; his assassination set off a war in Europe |
| uboats | german sub marines |
| John J Persing | leader of the American Expeditionary forces in Europe |
| Sarajevo | city where the archduke was assassinated |
| Schlieffen Plan | German plan to concentrate on France before Russia could mobilize |
| Bolshevik | communist |
| Vladimir Lenin | led a communist revolution in russia which led to Russia puling out of the war |
| The Big Four | members of the major allies who made decisions about the treaty of Versailles |
| David Lloyd George | Br. prime minister during WWI |
| Vitorio Orlando | leader of Italy during WWI |
| Georges Clemenceau | leader of France during WWI |
| armistice | tempory end to fighting |
| Woodrow Wilson | President of the US during WWI |
| Armistice Day | Nov. 11, 1918 |