A mule is the result of cross breading a mare (female horse) and a jack (male donkey).
A donkey is a domesticated ass (many humans may be donkeys).
Donkeys are smaller, Mules are bigger, actually I think mules are a cross between a donkey and a horse, or something like that.
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.