Is war an inevitable part of human nature, or a cultural invention?

Its common knowledge that throughout the entirety of human history, the world has never experienced a period of universal peace.

The capacity for aggression and conflict is a deeply rooted human trait.

As such, it begs the question that despite war being a cultural and societal invention, does our propensity for hostility and disputes make war a predisposition of human nature?

Is war an inevitable part of human nature, or a cultural invention?
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