Indians took slaves, i belive it was the Comanche that was notorious for the slave taking from other tribes they defeated in battle. Every race has been slaves at 1 time or anouther. Educate yourself on truth about Slavery. Start withe The muslim slavers called the Barbery coast pirates in n africa. Their favorite victums were whites.
All the noble Native Americans took slaves, Sacagawea who helped Lewis and Clark was a slave, Pocahontas (not Elizabeth Warren) was a slave too, if memory serves. They also massacred each other and other noble pursuits.
Oops forgot to add, Custer was gunning to set himself up as a super hero in the Indian wars to run for the Democrat Presidential nominee that fall. His early July 4th party ended that, although he was still eligible to vote.