The answer is D. Because Communism is the polar opposite of what America is built on.
The Nazis were able to control people from 1933 to 1939 because that was the begin of the events leading up until the Holocaust. Where they had tried to get rid of all the Jewish people in Germany.
I am not 100% sure but I believe this is why ^-^
The answer would probably be the “Freedom Riders”, who challenged segregation on public transportation throughout the South.
Between 25 and 50 percent