Indeed, but we didn't divide people by the color of their skin before the 19th century. "Racism" is a new human invention. People were seen as part of their heritage. Where they came from. There is nothing wrong with being proud of your heritage, of your familial or cultural traditions, and keeping that alive. It is more than just skin deep. I think it's delusional, though, to base your opinions solely on the amount of melanin in one's skin.