Why did not Indians enter White society, particularly in view of the numerous attempts by Whites to "civilize" them? The answer is that White settler… - Peter Farb

...the intensity of the indignation was in direct proportion to a White's distance from the Indian. On the frontier, the Indian was regarded as a besotted savage; but along the eastern seaboard, where the Spaniards, Dutch, English, and later Americans had long since exterminated all the Indians, philosophers and divines began to defend the Red Man.

After the Spaniards settled the Southwest, the Navajo began another burst of cultural borrowing—or, more actually, stealing. Spanish ranches and villages were so depleted of horses—not to mention sheep—that by 1775 the Spaniards had to send to Europe for 1,500 additional horses. After the Pueblo Rebellion against the Spaniards was put down in 1692, many Pueblo took refuge with their Navajo neighbors—and taught them how to weave blankets, a skill for which the Navajo are still noted, and to make pottery. During this time the Navajo probably absorbed many Pueblo religious and social ideas and customs as well, such as ceremonial paraphernalia and possibly the Pueblo class system.

What most impresses the people around the prophet is the personality change he has undergone. ...when stress reaches a certain intensity in the culture, only certain individuals feel called forth to become prophets while most do not. In any event, the prophet has emerged in a new cultural role, and his personality is liberated from the stress that called his response into being in the first place. Immune to the stress under which his brethren still suffer, he must appear to them supernatural.