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Having traveled the world I don't know what is being talking about. There is typical human curiosity about peoples ethnic origins, and that is universal. It is no way any worse or exclusive to North America.
I am very genetically diverse, But mostly West European Jewish and Norwegian. My blue eyed blonde haired daughter was nearly mobbed in remote area of China, people called us "One of those" , I wouldn't call it racism. I would call it novelty.
My dark skinned Curly haired Son has been asked if he was Mexican when playing soccer, and while traveling in Italy was approached by Italians constantly speaking to him in Italian... he just threw up his hands. Again assumptions made about him based on his secondary characteristics.
I have been subject to several deep searches while traveling in the USA, light hair, light skin, blue eyes, yeah not racism. But while entering Southern Europe I have seen in the passport line every dark skin person screened carefully, and the guy looked at me, waved me in without even looking at my passport.
Never in any of these would be label racism.... it is natural to be curious.... and yes there are external characteristics that are generalized as ones home origin.
None of that has anything to do with subject at hand.
What people in the EU might not get is that here in North America the Marxist which now call themselves Post Modernists have now set about to divide people in ever smaller grievance hierarchies. Race, sexuality, gender being some of the primary categories. Well since selling the whole Marxist on class ended in 160 million dead, I suppose a change in tactics is warranted. But I would contend that this is more dangerous as there is nothing one can do to change their ethnicity, and assigning guilt to people based on who their parents are is exceedingly dangerous. I would contend that itself is the essence of racism..
So basically if the finally judgement of any person that is not as a Individual, it is wrong, and it has always been the "American" proposition, and even if we sometime fall short is that we are all distinct individuals with natural rights.
So forgive some us here if we get impatient with another Group of people trying to climb the grievance hierarchy chain , Yelling LOOK AT US, LOOK AT US ..... we are Offended. It is getting tiresome. And Frankly at some point dangerous.