Why did the us civil rights movement gain new momentum after world war ii?
a. president truman desegregated the armed forces.
b. rosa parks rallied blacks in montgomery, alabama.
c. the booming economy had created a larger black middle class.
d. black world war ii veterans refused to return to the states after fighting in europe.
e. martin luther king, jr. founded the southern christian leadership conference.

The booming economy had created a larger black middle class. .

Explanation:

it was the "4. potsdam" conference that demanded the unconditional surrender of japan, since it was clear that the japanese would continue to find until the very last man otherwise.

roosevelt essentially took the opposite approach as hoover in taking on the great depression. herbert hoover thought that america and its economy could naturally recover from the depression in due course, so he adamantly restrained the federal government from intervening on behalf of the people affected. on the other hand, roosevelt dramatically increased employment by expanding the federal government and establishing agencies that would aid in relieving some of the country's worst problems.