Tribal war drove human evolution of aggression

Wars are costly in terms of lives and resources – so why have we fought them throughout human history? In modern times, states may fight wars for a number of complex reasons. But in the past, most tribal wars were fought for the most basic resources: goods, territory, and women.

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<p><a href="http://www.physorg.com/news140174454.html">Tribal war drove human evolution of aggression</a></p> <p>Wars are costly in terms of lives and resources – so why have we fought them throughout human history? In modern times, states may fight wars for a number of complex reasons. But in the past, most tribal wars were fought for the most basic resources: goods, territory, and women.</p>