| A | B |
| Balance of Power | No one European country will be stronger than another |
| Liberals | People who wanted change and democracy |
| Conservatives | People who supported absolute monarchs |
| Count Cavour | Unified Northern Italy |
| Garibaldi | Joined Southern Italy to Northern Italy |
| Papal States | The last states to join the unified Italy |
| Bismarck | Leader of the German Unification |
| Prussia | Bismarck headed this strong state in Germany |
| Metternich | Leader of the Congress of Vienna |
| Congress of Vienna | Conference that met to restore Europe to the way it was before Napoleon |
| Urbanization | People migrating from the country to cities |
| Labor Unions | Organized to lobby for workers rights |
| Child labor | This practice mean low production costs and high profit |
| Cotton Gin | Eli Whitney's invention that led to a demand for more slaves |
| Adam Smith | The author of Wealth of Nations |
| Das Capital | This was a book written by Marx |
| Marx and Engels | Two famous communists |
| Communism | This economic theory stresses redistributing the wealth among all people |
| Suffrage | The right to vote |
| Middle Class | This group grew significantly during the Industrial Revolution |