| A | B |
| Henry Demarest Lloyd | Wrote "Wealth Against Commonwealth," against the Standard Oil Company. |
| Thorstein Veblen | Wrote "The Theory of the Leisure Class," written against the "new rich." |
| Jacob Riis | Reporter for the New York Sun. Shocked the middle class with "How the Other Half Lives," an account of slums in NYC. |
| Lincoln Steffens | Wrote articles in McClures Magazine, penned "The Shame of the Cities," which showed corruption between big business and government. |
| Ida Tarbell | Wrote factual expose on Standard Oil Company. |
| David G. Phillips | Wrote "The Treason of the Senate," in Cosmopolitan magaine, his thesis was that senators represented trust not people. |
| Robert M. LaFollete | Governor of Wisconsin, started many progressive reforms in Wisconsin, gave control to people, not trusts. |
| Hiram Johnson | Governor of California, broke down effects of the Southern Pacific railroad on politics. |
| Charles Evans Hughes | Governor of New York, reformist. |
| Upton Sinclair | Wrote The Jungle, an tell-all about the meat packing industry, very detailed accounts. Resulted in passage of the Meat Inspecction Act and later the Pure Food and Drug Act. |
| William Howard Taft | President, trustbuster, and Roosevelt's successor. However, his ability to continue with Roosevelt's legacy was inadequate, leading to a rift in the Republican Party in 1912. |
| Initiative voters | A method allowing citizens to directly propose legislation for a vote, bypassing state legislatures. |
| Referendum | A method allowing the legislature to place laws on the ballet for approval by the people. |
| Recall | Allows voters to reomove faithless officials, especially those who were being bribed. |
| Rule of reason | A precedent established by the Supreme Court, only those trusts that were unreasonably restrained trade were illegal. This became a loophole for trusts to continue their monopolistic practices. |
| Muckrackers | Journalists who exposed the injustice, corruption, scandals of trusts and the new rich. |
| Seventeenth Amednment | Direct election of senators. |
| Eighteenth Amendment | Prohibited alcohol, 1919. |
| Elkins Act | First of effective road legislation, heavy fines imposed on both railroads who give rebates and shippers that accept them. |
| Hepburn Act | Expand the powers of the interstate commerce commission. |
| Norther Securities Case | First of the trust busts, want monopoly of railroads in Midwest, by challenging this, Roosevelt challenging power of the aristocracy. |
| Meat Inspection Act | After the publication of The Jungle, say preparation of meat shipped over state lines would be subject to federal inspection. |
| Pure Food and Drug Act | Prevent the adulteration and mislabeling of foods and pharmaceuticals. Created the Food and Drug Administration. |
| Desert Land Act federal | Government sold and irrigated the desert to assist farmers. |
| Forest REserve Act | Authorize president to set aside public forests as national parks or reserves. |
| Carey Act | Distributed federal land to states if it settled and irrigated. |
| Newlands Act | Collect money from the sale of public desert lands, use funds to develop irrigation projects. |
| Dollar diplomacy | Using foreign policy to protect wall street dollars invested abroad, or use Wall Steet dollars to uphold foreign policy, especially in Latin American countries. |
| Bayne-Aldrich Act | A bill passed through Congress that was a moderately restrictive bill, tried to lower high protective tariff; however, reactionary senators added hundreds of revisions that drove tariffs up; marked Taft's betrayal of his party and his campaign promises. |
| Ballinger-Pinchot Affair | Secreatry of the Interior Richard Ballinger was criticized by Pinchot, Chief of Agriculture Department's Division of Forestry after Ballinger opened up public lands in Wyoming, Montana, and Alaska to corporate development. |