The Shoshone did not wage war, because it served no purpose. - Peter Farb

In 1863, Colonel Kit Carson was ordered to clear the country of Navajo Indians and to resettle any survivors at Fort Sumner in eastern New Mexico, where they could be "civilized." Carson's strategy was the same as that applied against the Plains Indians a little later: He destroyed the Navajo food base by systematically killing their livestock and by burning their fields. Carson's "Long Knives" (his soldiers so named because of their bayonets) also cut off the breast of Navajo girls and tossed them back and forth like baseballs. ...Ultimately, about 8,500 Navajos made what they still call the "Long Walk" to captivity at Fort Sumner, three hundred miles away. After they had been there for four years, the Navajo signed a peace treaty that entitled them to a reservation of about 3,500,000 acres, much less than they had held previously.

The seventeenth-century Iroquois... practiced a dream psychotherapy that was remarkably similar to Freud's discoveries two hundred years later. The Iroquois recognized the existence of an unconscious, the force of unconscious desires, the way in which the conscious mind attempts to repress unpleasant thoughts, the emergence of unpleasant thoughts in dreams, and the mental and physical (psychosomatic) illnesses that may be caused by the frustration of unconscious desires. The Iroquois knew that their dreams did not deal in facts but rather in symbols. ...And one of the techniques employed by the Iroquois seers to uncover the latent meanings behind a dream was free association...

If you read Peter Farb's book, Man's Rise of Civilization, he goes through all these different cultures at first contact, and they very often figure out in very different ways, but typically the things that were in common among them, were that the idea of the accumulation of private property beyond your needs was considered a mental illness.