My understanding is that it's easier to get a culturally homogenous population to buy into economic collectivism, vs. a culturally diverse population. E.g. the

My understanding is that it's easier to get a culturally homogenous population to buy into economic collectivism, vs. a culturally diverse population. E.g. the migrant "problem" that the EU is dealing with--last I checked, most of Europe wasn't stumbling over themselves to provide social services to all of their recent arrivals...