“Gradually, human societies started extricating themselves from the worst forms of oppression. Human sacrifice and deified rulers went out of fashion. Slavery was outlawed, and privileges were taken away from nobles. Human societies regained much of the lost ground. We are still not as egalitarian as hunter-gatherers --there are the poor and the billionaires-- but we are much better off than we were during the days of god-kings.” ReligionSocietyCivilizationOppressionRulersHierarchyMonarchyIdeologyon Book:Ultrasociety: How 10,000 Years of War Made Humans the Greatest Cooperators on Earth Source: Ultrasociety: How 10,000 Years of War Made Humans the Greatest Cooperators on Earth