Who is advocating white supremacy beside a few marginal weirdos that no one listens to? The left creates boogymen who don't exist to rationalize their own prejudices. Your side loves to say that "not all Muslims are responsible" for a terror attack that happened last week but out of the other side of your mouth you say "all white people are responsible for slavery" that happened 200 years ago. We don't have Christians killing and raping their way across the globe in 2017. Christians pray for gays while Muslims stone them and throw them off rooftops