| A | B |
| Triple Alliance | Germany, Austria-Hungary & Italy |
| Triple Entente | France, Russia, Great Britain |
| Central Powers | Germany & Austria Hungary |
| Allied Powers | France, Russia, United States, Great Britain |
| Francis Ferdinand | Archduke of Austria-Hungary that was assassinated in Sarejevo, causing the start of World War I |
| neutral country invaded by the Germans | Belgium |
| Versailles | location where the treaty was signed ending the war |
| nationalism | belief that your country is better |
| imperialism | belief that your country has a right/duty to take over other parts of the world |
| weapons race | military buildup of weapons in an effort to control the other countries |
| doughboy | U.S. soldier in World War I |
| Pershing | General in World War I responsible for the AEF |
| AEF | American Expeditionary Forces |
| League of Nations | organization formed with the intention to keep war from happeneing |
| propaganda | techniques/ advertising used by Europe in WWI to gain the support of the U.S. |
| Woodrow Wilson | president of the U.S. during WWI |
| Lusitania | British ship sunk by German U-boat |
| Zimmerman | message sent from this man was the cause for the U .S. entering the war |
| Russia | pulled out of the war in 1917 because their leader had been deposed |
| Armistice | peace |