Why did American Indian cultures in North and South America vary so widely?

How did Native Americans adapt to their environment? Native Americans learned to use the natural resources in their environments for food, clothing, and shelter. For example, in the frigid regions of the far north, early Americans survived by hunting caribou in the summer and sea mammals in the winter. Initially, white colonists viewed Native Americans as helpful and friendly. ... The Native Americans resented and resisted the colonists' attempts to change them. Their refusal to conform to European culture angered the colonists and hostilities soon broke out between the two groups.A major factor in the treaty disputes was Native Americans' concept of land. Indians fought among themselves over hunting rights to the territory but the Native American idea of "right" to the land was very different from the legalistic and individual nature of European ownership.The 10 culture areas discussed below are among the most commonly used—the Arctic, the Subarctic, the Northeast, the Southeast, the Plains, the Southwest, the Great Basin, California, the Northwest Coast, and the Plateau.

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the lowest among the social higher rank were the working class. this class remained detached to the political progression   of the country and was hostile to the other two classes

"they had a large area of land that they owned."