There was never a peaceful past where everyone got along in prehistoric North American societies – small-scale societies in what is now central California were quick to become violent when food and other resources were scarce, an archaeological study finds. Bludgeoning, a close-contact form of violence, was not related to resource scarcity. The bodies of five per cent of females and 11 per cent of males had marks of violence, such as arrow wounds, stab wounds or evidence of being bludgeoned.
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