Read this new perspective on the evolutionary sociobiological mechanisms driving intergroup conflict in humans. I suggest that war can be percieved as a change in social dynamics that optimises group survival during conflict. ingroup hyper-altruism and outgroup aggression are parts of the effects of the neural modifications that support the brain's "war-state" driving this social shift to war-mode . Long-term alterations to neural function and structure, similar to those observed in parenthood, drive individual recruitment to group defense in times of socially-transffered threat arousal.
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