in the same bed until her death. * * 5.04Upton Sinclair Respond to the following in complete, well-developed sentences. 1. Upton Sinclair was called a "muckraker." How did Sinclair "muckrake" for social reform? Upton Sinclair “muckrake” for social reform, by reporting the horrible conditions women, men, and children were working in, he dedicated himself to uncovering the ill conditions of the meat industries. 2. Sinclair was convinced ".... through art one could cause change."