“The tribal clans and royal dynasties that gave structure and stability to hunter-gatherer and civilized societies alike throughout most of human history could never have existed were it not for the deep emotional bonds forged in the crucible of family.” FamilyEvolutionCivilizationOrigins Book:Unbound: How Eight Technologies Made Us Human and Brought Our World to the Brink Source: Unbound: How Eight Technologies Made Us Human and Brought Our World to the Brink