Think about Hitler's mindset for a few seconds and you'll have your answer. Hitler believed in the primacy of the so-called "Aryan race", a false construct that emphasized the superiority of archetypal blond-haired, blue-eyed Nordic people (note of course that Hitler was neither blond nor blue-eyed!) Other ethnic groups, in particular blacks and Jews, were seen as what the Nazis called "Untermenschen", roughly "sub-humans". A black American athlete who triumphed over the supposedly superior German athletes would clearly expose the Nazis' racism for what it was.
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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.