| A | B |
|---|
| Allies | The Group of nations that fought against Germany |
| Archduke | Franz Ferdinand, who was assassinated |
| Armistice | An agreement to stop fighting prior to a treaty |
| Austria | Half of A-H, one of the Central Powers |
| Big Four | The leaders who met to determine the outcome of World War I |
| Bulgaria | A smaller country that was a member of the Central Powers |
| Central Powers | The countries the were on the same side as Germany (A-H, OE, Bulgaria) |
| Fourteen Points | Woodrow Wilson's Plan to end future wars. |
| France | One of the nations that fought against Germany; most battles were fought here |
| Front | A location where two armies fought in World War I (Eastern, Western) |
| Gallipoli | The location of a fierce battle in Turkey |
| Germany | The leader of the Central Powers |
| Great Britain | One of the nations that fought against Germany; an island nation |
| Kaiser Wilhelm | The leader of Germany during World War I |
| Lenin | The leader of the USSR after the Russian Revolution |
| Lusitania | An Ocean liner sunk by Germany; this action encouraged America to join the war. |
| Marne | A bloody battle in France which is known fo the use of trench warfare (named after a river) |
| Red Baron | A German "ace" fighter pilot |
| Russia | The largest nation of the Allies; they left the war after their own revolution |
| Schlieffen Plan | The German strategy to win a quick victory in France |
| Somme | The most deadly battle of World War I |
| Tanks | Armored vehicles that were first used in world war I |
| Tannenberg | A battle in Russia where Germany took a large victory |
| Treaty | A formal agreement to end a war. |
| Trench Warfare | The major method of fighting during World War I |
| Triple Entente | The group of nations that joined to oppose German threats before World War I |
| Turkey | The largest nation in the Orroman Empire.. |
| USA | They joined and led the Allies late in the war |
| Versailles | The location of the peace treaty that ended World War I |
| Woodrow Wilson | The US President during World War I |
| Zeppelin | A German blimp (dirigible) used in World War I |
