I am not sure as to whether or not you have tried these options but here is my list that I use for free and like. They are limited due to full functionality you must pay for them but the results that I get are fine with what I want to do.
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.