Grammatical tense

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." What was established as a direct result of the public outcry from this novel? Sinclair wrote “The Jungle” which opened the public eyes…