The templates for chimp and human social behavior are very similar in a central feature, that of territorial defense and the willingness to solve the problem of a hostile neighboring society by seeking its extermination.
-- Nicholas Wade, Before the Dawn, Recovering the Lost History of our Ancestors. Penguin Books, 2006

Put that in your "the reason Western civilizations are so superior is because they're so savage" pipe and smoke it, you turban-wearing hippie.