| A | B |
| progressive movement | An early-20th-century reform movement seeking to return control of the government to the people, to restore economic opportunities, and to correct injustices in American life. |
| Florence Kelley | Became an advocate for improving the lives of women and children. |
| prohibition | The banning of the manufacture, sale, and possession of alcoholic beverages. |
| Muckraker | One of the magazine journalists who exposed the corrupt side of business and public life in the early 1900s. |
| Scientific management | The application of scientific principles to increase efficiency in the workplace. |
| Robert M. La Follette | Leader of the progressive wing of the Republican Party in Wisconsin whom had served three terms as governor before he entered the U.S. |
| Initiative | A procedure by which a legislative measure can be originated by the people rather than by lawmakers. |
| Referendum | A procedure by which a proposed legislative measure can be submitted to a vote of the people. |
| Recall | A procedure for removing a public official from office by a vote of the people. |
| Seventeenth Amendment | Adopted in 1913, provided for the election of U.S senators by the people rather than by state legislatures. |