Answer:
During World War II, African Americans made tremendous sacrifices in an effort to trade military service and wartime support for measurable social, political, and economic gains. As never before, local black communities throughout the nation participated enthusiastically in wartime programs while intensifying their demands for social progress.
Step-by-step explanation:
And for a shorter story, you can more read off of this website! Hope this helped you! It tells the full story in there! :D