Answer: because of the closing of for foreign immigration and the movement of more than 4 million men from the workforce in the armed services.
Explanation:
because of the closing of for foreign immigration and the movement of more than 4 million men from the workforce in the armed services. This event created a shortage of labor across the US, and to meet this asking it was needed a new labor force, mostly composed by women, African Americans and other ethnic minorities. We can point out two distinct moments for women during the WWI. Initially they supported war in traditional ways, such as conserving foodstuffs, supporting the Red Cross and joining the army nurse corps. In the second moment, with the intensification of the war, women were required to work in farms, armaments industry and chemical plants.
