There really isn't a lot you can do. Maybe talk to him as much as you can. But I wouldn't be making friends like that online a lot because you don't really know who he is.
For all you know he is lying about that and trying to get you to get comfortable with talking to him. Then he says he is coming around your location and then next thing you know you are in the white van racing towards God knows where.
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.