Why should we learn about Native American diversity? What effect does it have on America today?

Native American Diversity present essential ideas and values positive and negative. Every Native American tribe has their own history, culture, and art. Learning about the diversity of Native Americans gives us an understanding of how it felt to be growing up during the time of splitting up, different races, etc.
The impact it has on America today includes language, government, literature, medicine, hygiene, and food. Their influence also brought changes in population sizes to America, and how men and women roles have changed.

Ibelieve the answer is c