How humans evolved to get along (to extent that we do)

Source: Science Daily

The research shows that four neighboring groups of bonobos they studied at the Kokolopori Bonobo Reserve in the Democratic Republic of Congo maintained exclusive and stable social and spatial borders between them, showing they are indeed part of distinct social groups that interact regularly and peacefully with each other.

https://www.sciencedaily.com/releases/2022/06/220622141900.htm