The most imposing characteristic of the Mississipian is the pyramidal mound, built not to cover a burial but as a foundation for a temple or a chief'… - Peter Farb

Voluntary assimilation, known as Indianization in the Americas, is one response that has occurred at other places and in other times when two cultures collided. An unusual manifestation of it is when the whole dominant culture takes up the ways of the conquered. That does not happen very often, but it did occur when the Hyksos conquered Egypt about 1700 B.C. and when the Romans conquered the Greeks in the second century B.C.

There are strong parallels between the hope for salvation of the Jews and the hopes of the Indians who followed native prophets, between the early Christian martyrs and the Indian revolts against United States authority, between the Hebrew and the [native American] Indian prophets. ...the Jews and early Christians have served as models for oppressed peoples from primitive cultures... Almost everywhere the White missionary has penetrated, primitive people have borrowed from his bible those elements in which they saw a portrayal of their own plight...They regard the arrest and execution of a native on charges of being a rebel against White authority in the same terms as the trials undergone by the Hebrew prophets or the passion of Jesus.

At the time of the Europeans discovery of North America, the American Indians already cultivated a wider variety of plants than did the Europeans.