Roughly twenty thousand American Indian soldiers fought on either side of the American Civil War and records show that many more Natives sided with the Confederacy. Why? The answers may surprise you.
https://www.messynessychic.com/2023/11/21/good-luck-to-the-history-teachers-who-tackle-the-narrative-of-native-americans-in-uniform/
@estherschindler The Comanche nation was similarly ambivalent. Escapees from slavery might be accepted into the tribe, or re-enslaved by the tribe, or sold into slavery somewhere else.