When today's remnants of Indian societies are examined closely, it is seen how well some have worked out a compromise with their White conquerors—acc… - Peter Farb

For a tribe to endure, it must find some way to achieve internal unity—and that way usually is external strife. The tribe exists at all times in a state of mobilization for war against its neighbors. The slightest incident, or often merely a desire to increase prestige, is enough to set off a skirmish, and in such circumstances hatred against external enemies must be unremitting.

The members of a society do not make conscious choices in arriving at a particular way of life. Rather, they make unconscious adaptations. ...they know only that a particular choice works, even though it may appear bizarre to an outsider.

Sharing is a kinsman's or a friend's obligation, and it is not in the category of a gift.