سيادة البيض
White supremacy or white supremacism is the belief that white people are superior to those of other races and thus should dominate them. The belief favors the maintenance and defense of white power and privilege. White supremacy has roots in the now-discredited doctrine of scientific racism, and was a key justification for colonialism. It underlies a spectrum of contemporary movements including neo-Confederates, neo-Nazism and Christian identity.