| A | B |
|---|
| Allied Powers | The World War I alliance that included Britain, France, Italy, Belgium and Russia. |
| Central Powers | The United States declared war on this alliance in World War I. |
| Treaty of Versailles | Ended World War I |
| League of Nations | The first organization in which countries united to prevent future wars. |
| Roaring Twenties | A decade of prosperity. |
| Nineteenth Amendment | A Constitutional amendment that gave women the vote. |
| League of Women Voters | Helps inform woman and men about political issues. |
| United Nations | Formed at the end of World War II to keep world peace. |
| New Deal | Helped the United States recover from the Depression. |
| Axis Powers | The alliance formed when Japan, Italy and Germany signed a treaty of friendship. |
| World War II | The war fought between Great Britain and France against the Axis Powers. |
| Comunism | A social and political system in which all property is owned by the government. |
| Internment Camp | A place where people are imprisoned during war time. |
| Concentration Camp | A place where Germans enslaved and murdered those they considered their enemies. |
| Holocaust | Hitler's attempt to destroy the Jewish people. |
| Cold War | A war between U.S. and the Soviet Union fought with ideas, words, money, and sometimes violence. |
| Iron Curtain | The imaginary line dividing Europe into communist and noncommunist countries. |
| Great Depression | A period of failed bussinesses and job loss. |
| Arms race | A race between the U.S. and the Soviet Union to build the most powerful weapons in the world. |
| Discrimination | An unfair difference in treatment of people. |
