What Makes Someone Native American?

In their segregated corner of North Carolina, Lumbees enjoyed more power and privileges than their black neighbors, but this was not the case for Native Americans in every state. In Virginia in the 1920s, Indians were required to classify themselves as “colored,” whereas Oklahoma considered Indians to be white — prompting Creek Indians to reject tribal members with black ancestry.

https://www.washingtonpost.com/news/style/wp/2018/08/20/feature/what-makes-someone-native-american-one-tribes-long-struggle-for-full-recognition/