You have to narrow it down a LOT - no company sells EVERYTHING - most specialize in certain kinds of products/categories and with lots of products - it would be best to go direct to overseas - using a site like DHGate.com.
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.