| A | B |
|---|
| Trench Warfare | Both sides dug deep trenches and surrounded them with barbed wire. These trenches protected soldiers from enemy fire. They also provided room for eating and sleeping. Soldiers wore gas masks to protect themselves from the poisonous gas used by each side. |
| Neutrality | Wilson's policy of not getting involved with the wars of other countries. "impartial in thought as well as action" |
| Lusitania | British passenger ship sunk by German U-boats |
| Central Powers | Germany, Austria-Hungary, Bulgaria, and The Ottoman Empire |
| Allies | France, Great Britain, Russia, japan, Italy, and USA |
| Woodrow Wilson | President of the United States during World War I |
| Propaganda | The spread of ideas that help one side and hurt another. |
| Germany's Eastern Front | Russia, Romania, and Serbia |
| Germany's Western Front | Belgium, France and Italy |
| Archduke Francis Ferdinand | Leader of Austria-Hungary. His assasination led Austria-Hungary to declare war against Serbia. |
| Treaty of Versailles | Set up League of Nations, reorganized map of Europe, and punished Germany. |
| League of Nations | Wilson believed the formation of the League of Nations would bring world peace. |
| Neutral Countries | Norway, Sweden, Netherlands, Spain, Switzerland, Luxumbourg, Spanish Morocco, Arabiaand Albania |
| Armistice | A truce |
| Stalemate | A deadlock |
| Pacifists | People who are against war under any circumstance |
| Zimmerman Telegram | Secret message sent by Germany's Foreign Minister Arthur Zimmerman to Mexico promising to help Mexico take back New Mexico, Arizona, and Texas in return for aid to Germany if the United States entered the war. |
| Reparations | Payments for war damages. |
| Self-determination | Wilson's belief in the right of people of a certain nation to decide how they want to be governed. |
