

His novel, The Jungle (1906), a shocking exposé of the unsanitary and dangerous conditions in the plants, was an immediate best-seller and incited President Roosevelt to enact a series of food safety laws. In 1905, Upton Sinclair (1878–1968), a young socialist journalist and novelist, received a $500 advance to write a novel about abuses in the meat processing industry and spent seven weeks investigating the subject in Chicago.

Working conditions in the new urban industrial zones were wretched, and a progressive reform movement soon grew out of the need to address the health and welfare of the American worker. The explosive growth of American industry in the late nineteenth century caused a similar expansion in the work force.

CONDITIONS IN MEATPACKING PLANTS (1906, by Upton Sinclair)
