How did African-Americans contribute to the war effects during World War II

While most African Americans serving at the beginning of WWII were assigned to non-combat units and relegated to service duties, such as supply, maintenance, and transportation, their work behind front lines was equally vital to the war effort.

Explanation:

President Johnson shakes hands with The Rev. Martin Luther King after handing him a pen during the signing of the Civil Rights bill into law during a White House ceremony 7/2. Date Created/Published: 1964 July 2.