| A | B |
| Imperialism | policy of conquering and ruling other lands for the enefit of a mother country |
| Colony | a land settled and ruled by a foreign government to benefit the mother country |
| Protectorate | a countr that has its government controlled by a foreign country |
| Sphere of Influence | a land that is dominated by, but not directly controlled by a foreign government |
| Triple Alliance (Centarl Powers) | pre-WWI alliance between Germany, Austria-Hungary, and Italy |
| Triple Entente (Allied Powers) | pre WWI alliance between France, Russia, and Britain |
| Militarism | policy of glorifying Military power |
| Kaiser Wilhelm II | German leader who expanded Germany's military power |
| Archduke Franz Ferdinand | Austrian heir whose assassination started WWI |
| Central powers | Germany, Austria-Hungary, and Ottoman Empire during WWI |
| Allied Powers | France, Russia, and Britain during WWI |
| U-boats | German submarine |
| Armistice | a cease fire |
| Woodrow Wilson | American President who led America into WWI and developed a peace plan for the war's settlement |
| 14 points | Wilson's plan for peace after WWI |
| The Treaty of Versailles | Main peace treaty following WWI, it failed to establish a long lasting peace |
| Self-Determination | idea that people should decide for themselves how they should be ruled |
| Mandates | territorial possessions that were given to the Allied countries to be ruled until the people that lived in them could rule themselves |
| League of Nations | international organization established adter WWI to try to resolve conflicts |