Partially arrogance. The Germans believed that they could be far more efficient in managing the resources of Europe. One of their philosophies was that they thought that implementing "eugenics", that they could eliminate inferior people, who they considered to be retarded, homosexuals, Jewish and physically handicapped.
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.