What was the result of upton sinclair's novel?
immigrant workers were able to unionize and working conditions improved
peta was formed in 1907
the government passed two pieces of legislation to regulate the processing of meat
roosevelt demanded a recall of the books from public libraries

Why were americans concerned about the future of north and south america? check all of the boxes that apply. they worried that european countries would take over independent countries in latin america. they thought that european nations could threaten democracy in the united states. they believed that europe would never again return to the americas.