Question

Progressive reformers concerned about the growth of American cities during the late 19th and early 20th centuries recommended which of these?

A.removing restrictions on immigration
B. breaking up trusts and large corporations
C. outlawing the manufacture and sale of alcohol
D. improving public transportation and sanitation systems

Answer 1

improving public transportation and sanitation systems

Answer 2

I believe the correct answer is D. improving public transportation and sanitation systems.
It was important at the time to improve such conditions because the American cities were starting to grow more populated, and people needed to live in better conditions. Thus they needed better public transportation as well as the sanitation systems.