| A | B |
| Reform | To change something |
| Prohibition | To outlaw or make illegal (against the law) as alcohol was banned in the early 20th century |
| 16th Amendment | Established the income tax whereby citizens of the United States pay a portion of their income to the U.S. Government to run and maintain its programs |
| 17th Amendment | Gave Americans the ability to directlly elect their state senators |
| 18th Amendment | Made the manufacture, sale, or transport of alcohol illegal in America for 13 years |
| 19th Amendment | Gave all American women citizenship and the right to vote |
| Suffrage | The right to vote |
| Conservation | The protection, preservation, management, or restoration of wildlife and of natural resources such as forests, soil, and water |
| Square Deal | The name of Roosevelt's progressive plan for America |
| Urbanization | The growth of cities due to industrialization |
| Slum | A neighborhood with overcrowded and dangerous housing |
| Social Gospel | Churches who worked to help workers and the poor |
| NAACP | The National Association for the Advancement of Colored People |
| EPA | The Environmental Protection Agency which works to protect the environment from pollution |
| Tenement | An apartment house that is run-down and overcrowded |