Chimps are sometimes observed to be violent and murderous, either for territorial[1] or hierarchical[2] reasons. I'm not of the belief that religion is necessa

Chimps are sometimes observed to be violent and murderous, either for territorial[1] or hierarchical[2] reasons. I'm not of the belief that religion is necessarily what made murder taboo, but self-reflective consciousness and sophisticated ethical systems (especially development of an understanding of the mutual self-interest of the "golden rule"[3]) would seem to be key factors. [1] https://news.nationalgeographic.com/news/2010/06/100621-science-chimpanzees-chimp-gangs-kill-mitani/ https://news.nationalgeographic.com/news/2010/06/100621-scie... [2] https://www.newscientist.com/article/2119677-chimps-beat-up-murder-and-then-cannibalise-their-former-tyrant/ https://www.newscientist.com/article/2119677-chimps-beat-up-... [3] https://en.wikipedia.org/wiki/Golden_Rule https://en.wikipedia.org/wiki/Golden_Rule