B) 1906- upton sinclair publishes the jungle, criticizing the working conditions in the u.s. meat processing industry
Explanation:
Socialist author Upton Sinclair prints The Jungle, a sensationally illustrated description of the meatpacking enterprise in Chicago's stockyards. Sinclair is trying to increase public perception of corporate malfeasance and the wretched conditions in which poor workers toil, but most of the resulting public complaint rather centers on request for more food protection provisions.
