In the Victorian era, many believed that women should be confined to the home and excluded from work outside of the home. According to Ann Oakley's research, which of the following was NOT one of the reasons for these beliefs?
◦ moral grounds
◦ damage to physical health
◦ neglect of home and family
◦ damage to men's mental health
◦ contravention of the "natural" division of labor between men and women