I gather that in hunter-gatherer societies from diverse places around the globe, work frequently is "gendered". Men work together in groups to hunt, and may also fight against neighboring tribes to defend their patch. Women work together in groups to look after young children, to gather fruits, nuts, roots, bulbs etc. and (often) to prepare these items for eating. They often develop some separate cultural rituals for men and women. I wonder whether some stereotypes about men might have some kind of genetic or cultural origin from hunter-gatherer societies? The stereotypes that men are good at navigation (traversing long distances) problem solving (creating weapons and tactics for the hunt and for war) aggressive (courage in a hunt would be an advantage) and less verbal than women (I imagine yabbering away might scare off your prey)... all of these might be helpful if your community role involved hunting and fighting. I wonder whether some stereotypes about women may have ...