War is probably gendered—I suspect it stems from physical disparities that have existed since the hunter-gatherer times.
We had a discussion in one of the evolutionary psychology threads about sexual selection that relates to this question. Rather than males fighting more because of physical sexual dimorphism, David Geary argues that it started the other way around: there is physical sexual dimorphism because there was more selection pressure on men to fight each other.
We had a discussion in one of the evolutionary psychology threads about sexual selection that relates to this question. Rather than males fighting more because of physical sexual dimorphism, David Geary argues that it started the other way around: there is physical sexual dimorphism because there was more selection pressure on men to fight each other.