Assuming that that you're using windows a common approach I use is to create a symbolic link to the physical location of the file, in some directory. Then the the caller only has to know some 'known directory' where you put the link and windows magically redirects to the correct file...
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.