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Resource Scarcity Drives Lethal Aggression Among Prehistoric Hunter-Gatherers In Central California, Mark W. Allen, Robert Lawrence Bettinger, Brian F. Codding, Terry L. Jones, Al W. Schwitalla

Social Sciences

The origin of human violence and warfare is controversial, and some scholars contend that intergroup conflict was rare until the emergence of sedentary foraging and complex sociopolitical organization, whereas others assert that violence was common and of considerable antiquity among small-scale societies. Here we consider two alternative explanations for the evolution of human violence: (i) individuals resort to violence when benefits outweigh potential costs, which is likely in resource poor environments, or (ii) participation in violence increases when there is coercion from leaders in complex societies leading to group level benefits. To test these hypotheses, we …