Check for invisible whitespace, or different line endings ( CR vs CR/LF vs LF depending on the platform and editor you used to create or modify the files).
It might be the case the the file is saved in unix mode (\n) but saved in windows mode (\r\n) therefore causing all lines in the file to be marked as changed. Make sure you save the file in the mode it was stored in.
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.