Check out The Dawn of Everything, puts to rest a lot of the myths about prehistoric societies that we tell ourselves. Early societies were consciously experimenting with different social arrangements and they were far more peaceful and egalitarian than we usually give them credit for. Their ideas on property were vastly different than ours as well. There wasn't really an "our hunting grounds" to speak of. If you're interested I'll leave this video by Andrewism about human history. It's well sourced and pretty informative