Foldr is for functions that consume lists. For producing lists unfoldr is a more natural choice.
As hammar pointed out, foldr isn't the right tool here, as you first need a list to work on. Why not simply...
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.