When your unique in being the a Federalist Constitutional Republic founded on (individual) liberty, your alone so yeah Us vs Them would be the nature of things. Even France became a Nationalist Republic.
Racism, like Nazi, and Pat must recall, is so over used by that lot it fades in meaning, it's worn out at least coming from a left-contrarian.
But what is racism? …Republicans and conservatives believe “racist” is a term the left employs to stigmatize, smear and silence adversaries. As one wag put it, a racist is a conservative who is winning an argument with a liberal.