Racial supremacy is what people sympathize with, not slavery per se. For example, the assumption that a white person's word is inherently more valuable than a b

Racial supremacy is what people sympathize with, not slavery per se. For example, the assumption that a white person's word is inherently more valuable than a black person's word left some particularly nasty stains on America's history - https://en.wikipedia.org/wiki/Emmett_Till https://en.wikipedia.org/wiki/Emmett_Till