Just the other day I read a comment on HN, I think, about how in Mexico there is racial stratification between light and dark-skinned people, and how they even have different ways of speaking. The point was that people can tell immediately which class you are in and act accordingly.
So, yeah, I think this is a (bad) feature of humans everywhere, not just the US.
So, yeah, I think this is a (bad) feature of humans everywhere, not just the US.