I think that most racism is in the US. Other places have things like class-ism or, for lack of a better word, nationalism. As far a how much, I can't say.
I can say that my generation is less racist than my parents generation; but, it is still way too racist. Anti-Semitism is far more wide spread. It happens all over the world and is usually far more actively violent than other types of racism.
More.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.