How did Joanne Nagel explain the increase in the number of people identifying themselves as "American Indian" when the birth rates stayed the same?

Question

Quizplus · Accepted Answer

Joanne Nagel explains that legal changes made scholarships more available to American Indians, the development of the "Red Power" movement shifted negative stereotypes of Indians, and urbanization made it easier for people to find and interact with other people that had some American-Indian heritage. Therefore, all of the above choices are correct.

How Did Joanne Nagel Explain the Increase in the Number