| A | B |
| Nationalism | Sense of extreme pride or loyalty to a nation |
| Imperialism | Quest for colonial empires. |
| Allied Powers | France, Great Britain, Russia, Italy, United States |
| Central Powers | Germany, Austria-Hungary, Ottoman Empire (Turkey), Bulgeria |
| Triple Alliance | Military Alliance formed by Germany, Austria-Hungary and Italy before WWI |
| Trench Warfare | Opposing armies fighting from behind fixed fortifications,  |
| Treaty of Versailles | Agreement ending World War I |
| Triple Entente | Military alliance formed by Great Britain, France, and Russia before WWI |
| Lusitania | British passenger liner Torpedoed by German U-Boat,  |
| Archduke Ferdinand | Heir to the Austro-Hungarian Throne,  |
| Gavrilo Princip | 19 year old Serbian nationalist who killed Archduke Ferdinand,  |
| Militarism | Glorification of armed strength by a nation |
| No-man's Land | Area between enemy trenches.,  |
| Alliances | Countries siding with other countries for military strength. |
| War Zone | Area around Great Britain waters that German U-Boats will sink ships |
| 1917 | Year that the United States enters World War I |
| 1914 | The year that the Great War started in Europe |
| Selective Service Act | men ages 21-30 had to register for the draft [later changed to 18-45] |
| Woodrow Wilson | Elected President in 1916 and wrote "14 Points" and founded the League of Nations,  |
| Sedition Act | This made it illegal to criticize the government of the military |
| Archduke Francis Ferdinand | his death "sparked" war,  |
| Imperialism | when a strong nation takes over a weaker nation |
| Militarism | build up of the military/preparation for war |
| Nationalism | pride in your own culture/desire for statehood |
| Allies | Britain, France,Russia, Serbia |
| U-boat | Submarine--German |
| Zimmerman note | Germany offered to give U.S. land to Mexico for help in attacking U.S.,  |
| Lusitania | British ship, sunk in war,  |
| No-man's land | empty land between armies,  |
| Stalemate | no movement possible by either side |
| Conscientious objector | opposed to joining war effort based on moral reasons |
| Alliances | agreements of support between countries |
| Woodrow Wilson: campaign slogan | "He kept us out of war." |
| Declaration of War: reason | "Make the world safe for Democracy" |
| Nicholas II | last Tsar/Czar of Russia,  |
| War Industries Board (WIB) | controlled production, prices, wages in industry |
| John Perching | American general during WWI |
| Schenk vs U.S. | Ok to limit speech during war; "clear & present danger" |
| Committee on Public Information | Gov't agency to produce propaganda in support of the war |
| 14 points | Wilson's plan for future peace |
| Western Front | Battle lines in France against Germany |