" The proximity of these two cultures over the course of many generations presented both sides with a stark choice about how to live. By the end of the nineteenth century, factories were being built in Chicago and slums were taking root in New York while Indians fought with spears and tomahawks a thousand miles away. It may say something about human nature that a surprising number of Americans—mostly men—wound up joining Indian society rather than staying in their own. They emulated Indians, married them, were adopted by them, and on some occasions even fought alongside them. And the opposite almost never happened: Indians almost never ran away to join white society. Emigration always seemed to go from the civilized to the tribal, and it left Western thinkers flummoxed about how to explain such an apparent rejection of their society. “When "

― Sebastian Junger , Tribe: On Homecoming and Belonging