In his day there was some black dogs who had diseases and it spread to the human who died so Muhammad told them to get rid of the disease ones. It's like me saying why are white people prejudiced to pigs because a lot was killed of when it was found some carried swine flu.
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.