There are plenty of folks who have studied this on biology and sociology.. this looks like a decent jump off point: https://en.m.wikipedia.org/wiki/Evolution_o

There are plenty of folks who have studied this on biology and sociology.. this looks like a decent jump off point: https://en.m.wikipedia.org/wiki/Evolution_of_morality#Primate_sociality https://en.m.wikipedia.org/wiki/Evolution_of_morality#Primat... Tho I'd look beyond, towards reciprocity and deception detection in other animals as well