A human being cannot survive alone and be entirely human. It is through the nature of their social and political institutions that the differences an… - Peter Farb

One of the things that amazed the earliest explorers, almost without exception, was the hospitality with which Indians received them. When the Indians later learned that the Whites posed a threat, their attitude changed, but the initial contacts were idyllic. ...Hospitality and sharing were characteristic of all Indian societies.

As this cultural inadequacy becomes apparent even to the most conservative of its members, the culture may deteriorate to such an extent that it literally dies.

The movement known as the Ghost Dance first appeared around 1870... soon after the Union Pacific Railroad completed its first transcontinental run. ...that event inspired the vision of the prophet Wodziwob, who declared that a big train was coming to bring back dead ancestors... a cataclysm would swallow up all the whites and leave behind their goods for his followers.