| A | B |
|---|
| Trench Warfare | World War I military strategy of defending a position by fighting from the protection of deep ditches |
| Franz Ferdinand | The heir to the throne (Archduke) of Austria-Hungary who was assassinated by a Serb nationalist |
| Lusitania | A British passenger liner sunk by a German u-boat in 1915 killing 1,200 people (128 Americans). |
| Central Powers | The alliance of Austria-Hungary, Germany, Bulgaria, and Turkey/Ottoman Empire |
| U-Boats | Germany’s Large fleet of advanced submarines that attacked Allied ships |
| Allied Powers | The alliance of Great Britain, France, Russia, Serbia, Belgium, and (later) the United States |
| Zimmermann Note | A telegram sent from Germany to Mexico proposing an alliance against the US in exchange for helping Mexico conquer lost territory |
| No-Man’s-Land | Strip of land between the trenches of opposing armies along the western front during World War I |
| Stalemate | Situation in which neither side of a conflict can win a decisive victory |
| Sussex Pledge | A promise from Germany agreeing not to sink merchant ships without warning and without saving human lives |
| Reparations | Payments for damages and expenses brought on by war |
| Fourteen Points | A peace plan created by Woodrow Wilson to create a system to avoid future wars |
| League of Nations | One of Wilson’s Fourteen Points which called for the creation of a group of nations to settle disputes and maintain peace |
| Treaty of Versailles | the final peace settlement for World war I |
