Why was there a sharp increase in the number of women in the workforce in 1945?

A. The government conducted a series of social experiments encouraging women to join the workforce during this period.
B. New laws were enacted in 1945 that prohibited gender discrimination, prompting employers to hire more women.
C. With millions of men off fighting in Europe and the Pacific, many jobs needed to be filled by women.

C. With millions of men off fighting in Europe and the Pacific, many jobs needed to be filled by women.