Racism, Capitalism and Denialism
Given the founding of the nation in vicious ethnic cleansing of the original inhabitants and the forced immigration of kidnapped Africans in chains, racism, the false notion that humans are members of different races with some superior or inferior by virtue of skin tone, has taken hold of the minds of most Americans. Given the taught and learned rationalization of that material ugliness of national origins as being natural divisions among humans, this is understandable.