This Upton Sinclair expose of the meatpacking industry helped lead to the 1906 Pure Food & Drug Act
The effects of Industrialization had led to the growth of Big Business and ... 
Upton Sinclair exposed Chicago's meatpacking industry telling lurid tales of... [DOC] [TLE] [Regents Prep U.S. History] Reform: Progressive Era Reform [PAR] These muckrakers recalled the efforts of early reformers who exposed ... 
Cartoons, Political corruption by NYC's political machine, Tammany Hall, led by 
Boss Tweed.