Final answer:
The contributions of African Americans to the war effort were vital in challenging racial discrimination and advocating for equal citizenship.
Explanation:
African American Contributions to the War Effort:
During times of war, African Americans have made significant contributions to the war effort, challenging prevailing racial attitudes and striving for equality and full citizenship. For example, black leaders like W. E. B. Du Bois supported the war effort, viewing military service as a way to demonstrate the capabilities and sacrifices of black soldiers for the nation.
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