[emmelaich]

Has there has ever been a society without rape and other violence? Sure, maybe North Sentinelese are an exception.

Certainly, some tendency to violence is evident.

[rendx]

Errr, yes, it looks like plenty? You may want to read up on tribal cultures. I suggest the 1978 classic "Columbus and Other Cannibals" by historian Jack D. Forbes as a start, it's a short read.