More on Chimpanzee Politics by Christopher Boehm: political intelligence, individualistic upward mobility [my question: too 'differentiated' to have evolved into an 'undifferentiated' human 'horde'?]
Egalitarian behaviour and the evolution of political intelligence
The common ancestor of humans and the African great apes was a non-monogamous ape, one that lived in a closed social network and exhibited hostile relations between groups with stalking and killing of conspecifics by males. [Some have] deduced these ancient traits conservatively by tallyin…