Which of the following best describes the urban populations during the 1920's?
A: Urban populations tended to be conservative.
B: Their ancestors arrived several generations ago.
C: Women were expiated to work at home.
D: Many urban populations were compromised of immigrants.
Overall, in the United States, "D: Many urban populations were comprised of immigrants," since it was the immigrants who mainly worked in the factories, which were located in or around cities.
