There has always been differentiation been peoples of different places. Europe vs Africa vs India vs china vs Japan. Etc. Europeans even differentiate between germans and french and english and dutch and irish and scotish and swedish and norway. Not just by skin color but other factors as well. Circumstances have separated these peoples for the most part but here in America we have peoples from everywhere. And we claim to have freedom and equality for everyone which is clearly not the case. But other countries are also much worse and some much better.