| Term | Definition |
| Progressive Era | (1901 -1917)began with the swearing in of TR and lasted until the beginning of American involvement in WWI |
| muckrakers | journalists and authors who sought to expose the corruption of American society |
| Ida Tarbell | wrote THE HISTORY OF THE STANDARD OIL COMPANY; exposed Rockefeller's dirty business tactics |
| Lincoln Steffens | THE SHAME OF THE CITIES; exposed corruption/greed of political machines |
| Jacob Riis | HOW THE OTHER HALF LIVES; exposed the poor conditions of the poor tenements in NYC and Hell's Kitchen |
| Robert LaFollette | Governor of Wisconsin, wanted hsi state to be a model Progressive for the rest of the country. Started the Wisconsin Experiment |
| initiative | allowed voters to propose a law without the legislature |
| referendum | method by which voter-proposed laws were put on the ballot |
| recall | allowed voters to remove an elector official from office through the ballot |
| 17th Amendment | added initiative, referendum, and recall to the Constitution |
| Square Deal | Name of TD's programs of reform. Focused on busting trusts, gov't regulation of big biz, fair chance for labor, and environmental conservation |
| Elkins Act | (1903) gave the Interstate Commerce Commission more power to control railroads from giving preferences to certain customers |
| Hepburn Act | (1906) allowed ICC to regulate shipping prices of railroads [pro farmer] |
| "The Jungle" | by Sinclair; exposed horrible conditions of the meat packing industry; in response, TR passed the Pure Food and Drug Act an the Meat Inspection Act in 1906 |
| TR and conservation | created national parks and the National Conservation Commission |