What belief united the Progressive movement?

Question

a. that society's problems could be solved
b. that education needed reform
c. that there should be a federal income tax
d. that political bosses should not hold office

Answer 1

The belief that united the Progressive movement is:

a. that society's problems could be solved

Progressives believed that through reform, scientific approaches, and government action, many of the social, political, and economic issues facing society could be addressed and improved.