The author’s main purpose in paragraph 4 is to ____. A. establish that urban areas were important in contributing to the economic growth of the United States B. demonstrate that the populat
The author’s main purpose in paragraph 4 is to ____.
A. establish that urban areas were important in contributing to the economic growth of the United States
B. demonstrate that the population of the United States increased dramatically during the late nineteenth century
C. prove that the Middle West was the most adversely affected by large shifts in population
D. knowledge that urbanization had a negative impact on some communities in the United States