Acommon goal of lincoln steffens, frank norris , and ida tarbell was to

A common goal of Lincoln Steffens, Frank Norris , and Ida Tarbell was to denounce publicly the political corruption, the labor exploitation and a series of abuses, immoralities and dirty rags of people and institutions of the early-20th century in the United States. They were called "Muckrakers".

Explanation:

They carried out a journalism of opposition to power, an activist movement that was a strictly professional attempt to overcome the saturation of information, characterized by standardization and the accumulation of data and make a kind of journalism aimed at provoking a response.

c. it required that townships set aside land for public schools.

c

explanation: