Plug it into your computer (the computer you last synced it with) and do a restore on it from itunes. It will turn your iphone back to the store settings (as if you just bought it) then it will resync all your information.
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.