How did the workplace change as a result of World War II?

America's involvement in World War II had a significant impact on the economy and workforce of the United States. It had changed because woman replaced men and african americans were hired

America's involvement in World War II had a significant impact on the economy and workforce of the United States ... Our involvement in the war soon changed that rate. American factories were retooled to produce goods to support the war effort and almost overnight the unemployment rate dropped to around 10%.