It works well in America and Canada, but ethnic tensions are probably one of the root causes of tension in every other American nation, even Mexico. Everywhere south of the US has kind of a 'soft race war' going on between descendants of White colonialists, ex-black slaves, the indigenous population, the mixed crew, and other ethnic groups. It's a kind of overwhelming systematic ... 'racism' is not the best word ... more like 'systematic racial friction'. It's apparent everywhere, even by just driving through regions you can see it.