Answer:
Women in the workforce
Step-by-step explanation:
This is process of elemenation for me. 19th amendment was passed in April of 1920. Women got more rights to vote, so that improved relationships with men. Prohabition also helped with that. in the 1920s, there was a spike form 24,000 a year in college to 160,000. Women's workforce started in 1930s.