Explore the evolutionary origins of conflict in The Human Arc of War. Discover how chimpanzee patrols and the Nataruk massacre reveal the roots of human warfare.

War isn't just about the invention of the state or the plow; it’s rooted in what biologists call 'coalitionary killing.' Evolution tends to favor things that work, even the 'nasty' traits.
History of human warfare from pre-human ancestors and early tribal conflict to modern world wars, exploring why conflict persists despite social evolution and the concept of shifting focus to extra-terrestrial threats.







The Ngogo War among chimpanzees demonstrates that our closest relatives engage in sophisticated, coordinated campaigns to expand their territory. These chimpanzee patrols form strategic coalitions to increase their land by over twenty percent, suggesting that the impulse for war is a shared evolutionary heritage. This behavior indicates that the blueprint for 'us versus them' dynamics likely dates back millions of years, long before the emergence of modern human civilization.
The Nataruk massacre is a critical archaeological discovery in Kenya that dates back approximately 10,000 years. This site provides evidence of a violent conflict occurring long before the rise of traditional civilization or the invention of the state. It challenges the 'noble savage' myth by proving that hunter-gatherer societies engaged in organized violence, suggesting that warfare is not merely a modern failing but is deeply rooted in our ancient history.
Coalitionary killing is a biological concept used to describe how groups coordinate to eliminate rivals, a behavior observed in both humans and chimpanzees. In the podcast The Human Arc of War, this term explains that conflict is not just a result of the plow or the state, but is rooted in our biological past. This evolutionary trait suggests that the drive for organized group violence was baked into our DNA before we even became fully human.
Cree par des anciens de Columbia University a San Francisco
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