Which of the following best describes the work of muckraking journalists such as Upton Sinclair, Ida Tarbell, and Lincoln Steffens during the Progressive Era?

Core Concept

Muckrakers used magazines and books to publicize political corruption, corporate abuses, and urban poverty, building public demand for reform. Sinclair's The Jungle exposed conditions in the meatpacking industry, and Tarbell's history of Standard Oil attacked monopoly power.