| A | B |
| New nations created Post WWI | Finland, Estonia, Lativia, Lithuania, Poland, etc. |
| trench warfare | soldiers lived and fought in trenches |
| imperialism | countries conquer other nations for raw materials and markets |
| stalemate | neither side wins or advances |
| isolationism | US decision to stay out of European affairs |
| Harlem Hell Fighters | highly honored African American troops who fought for France |
| Huns | derogatory nickname for German soldiers |
| 1914 | year World War I began |
| 1917 | year US joined the Allies in World War I |
| Central Powers | Germany, Turkey, Bulgaria, Austria-Hungary |
| President Woodrow Wilson | he designed the 14 Points and League of Nations |
| Alliances | cause of WWI/countries loyal to one another |
| Eastern Front | battle line between Germany and Russia |
| Kaiser Wilhelm | leader of Germany |
| armistice | cease-fire |
| blockade | not letting ships pass |
| German submarine | U-boat (unterseeboat) |
| militarism | cause of WWI/countries building up their military, creating tensions |
| Zimmermann Telegram | note from Germany to Mexico urging Mexico to attack the US |
| Treaty of Versailles | the US never signed this, but it officially ended WWI |
| propaganda | emotional appeal designed to sway opinion |
| liberty bonds | a loan to the gov't to support the war effort |
| unrestricted submarine warfare | Germany's policy of firing on ships without warning |
| Lusitania | luxury liner sunk by a U-boat; a cause for US entry into WWI |
| League of Nations | the US never joined this international peace-keeping organization |
| 14 Points | Pres. Woodrow Wilson's idea for ending the war and avoiding another |
| Allies | Great Britain, France, Italy, US (after 1917), etc. |
| Franz Ferdinand | Assassinated Archduke and heir to the Austrian throne |
| howitzer | cannon-like machine gun |
| "heatless, meatless, wheatless" | America's volutary plan reducing the amount of food consumed so more is available for the Allies |
| Western Front | battle ground most Americans fought on, battle line between Germany and France |
| reparations | Germany had to pay 31 billion dollars for Allied losses |
| Victory gardens | food grown for home-use so more food is available for the Allied soldiers |
| nationalism | intense loyalty to a country/cause of WWI |
| 1918 | year the WWI fighting ended |