The document discusses three proposed explanations for the development of patriarchal societies:
1. Childcare and investment in offspring - Historically, women have invested far more time and resources in pregnancy, lactation, and childcare than men. This created a tendency toward maternal parenting and male control over female sexuality.
2. Sexual exchange theory - Humans have hidden ovulation and use sex for social bonding, not just reproduction. Men generally have a higher sex drive than women. This created an environment where women could use sexual access as a bargaining chip to gain resources from men for childcare.
3. Interrelation of factors - All of these explanations are interrelated and reinforce each other. No single factor fully