This site has 10 useful tips to overcome your writer's block. Using this same strategy has helped me several times over when I need to write something. fictionwriting.about.com/od/writingroadb....
Just keep writing, the longer you stare at a blank screen the worse it's going to get. Write gibberish, transcribe a book that you have lying around, just keep filling the page with words and eventually it'll start flowing. Also, make it a habit.
Write at the same time every day, no matter what. That also makes it easier.
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.