Upton Sinclair, Jacobs Riis, Ida Tarbell, and Lewis Hine belonged to the Muckrakers category.
- A muckraker is writer who gives detailed and accurate journalistic accounts of the corruption arising from a government's political policies and the market economy.
- A muckraker exposes the attendant social hardships inflicted on the citizens to the discomfort of politicians and business moguls.
- Following the industrialization and urbanization of America, muckrakers tried to expose the problems arising from these modern human culture.
Thus, these writers employed various communication tools to bring home their messages to the powers that be and to sensitize the general populace.
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