… supremacists enslaved Africans and Native Americans and also used both … since colonial times, some Native American tribes were used as … Buffalo soldiers to kill Native Americans and used Native … it mean that all Native Americans supported slavery. The …… supremacists enslaved Africans and Native Americans and also used both … since colonial times, some Native American tribes were used as … Buffalo soldiers to kill Native Americans and used Native … it mean that all Native Americans supported slavery. The …