| A | B |
| Progressive Movement | a third party reform movement formed as reaction to excesses of Gilded Age |
| Muckraker | journalists who exposed abuses in society at turn of 20th century |
| WWI | event that brought an end to Progressive Era |
| Council Manager | allowed citizens to hire a professional to direct city affairs separate from politics |
| 19th Amendment | women's suffrage, voting |
| 17th Amendment | direct election of Senators |
| 18th Amendment | prohibition of alcohol |
| Pure Food and Drug Act | required federal enforcement of truthful product labeling |
| Federal Reserve System | established a central banking system, basis for modern "branch" banks |
| Primary | allows for citizens to become involved in the process of selecting potential party candidates for office |
| Keating Owen Act | banned products manufactured with child labor |
| Northern Securities Company | first trust to be "busted" |
| Recall | allows for a new election to remove corrupt politicians from office |
| Initiative | citizen proposed law |
| Referendum | vote on citizen proposed law |
| Commission | citizen led government to eliminate the corrupt boss system |
| Hepburn Act | strengthened power of ICC to oversee railroad companies |
| Elkins Act | forbid railroad companies from giving rebates |
| Secret Ballot | protected voters from outside coercion |
| Sherman AntiTrust Act | outlawed any business structure that represented a "retraint of trade" |
| Clayton AntiTrust Act | outlawed price fixing and exempted unions from the definition of a "restraint of trade" |
| Jacob Riis | exposed problems of tenement slums in How the Other Half Lives |
| Lincoln Steffens | exposed problems of Philadelphia's political corruption in Shame of the Cities |
| John Spargo | exposed the problems of child labor in the coal mining industry in Bitter Cry of the Children |
| Ida Wells-Barnett | called for federal anti-lynching legislation |
| Ida Tarbell | exposed the corruption of Rockefeller's Standard Oil in History of Standard Oil |
| Upton Sinclair | made America's stomachs churn with accounts of Chicago meatpacking in The Jungle |
| Leon Czolgosz | assassinated President McKinley and marked transition to Progressive presidency |
| John Muir | environmentalist who promoted "beauty" over "use" |
| Theodore Roosevelt | promoted a Progressive Square Deal policy |
| Theodore Roosevelt | promoted a modern idea of the presidency as a "Bully Pulpit" |
| Woodrow Wilson | promoted a Progressive platform known as New Freedom |
| Bull Moose Party | Teddy Roosevelt's Progressive third party in the 1912 Election |
| Gifford Pinchot | first director of the U.S. Forrest Service, advocated the efficient "use" of the natural environment |
| William Taft | viewed as the least Progressive president of the era, but actually many trusts were busted during his time in office |
| Anthracite Coal | strike that Teddy Roosevelt advocated a compromise for the best interest of the public |