What social problem did Upton Sinclair’s novel The Jungle describe?
a. the struggles of black Americans
b. the living and working conditions in Chicago’s stockyards
c. the ruthless business methods of John D. Rockefeller and Standard Oil
d. the conflict between California farmers and the Southern Pacific Railroad

I think the answer is B. I hope I helped you!

1. Walter Rauschenbusch2. 1900s3. the living and working conditions in Chicago's stockyard4. with unsafe machinery5. women's suffrage6. to make immigrants more loyal and moral citizens7. Jewish Americans8. did business fairly9. creating an income tax10. he wanted to place strict government controls on corporations100% hope i helped