The answer is:
To free up jobs for individuals who had been placed off so that they could maintain their families.
In the 1930s the United States had to endure one of the most challenging problems. Throughout the Great Depression, there were millions of American residents who dissipated their jobs beyond the nation. It was remarkably hard to attain a job and most of the inactive people moved from place to place to observe some work. That was the rationale for why female were compelled to leave their businesses so that men could utilize for those situations.