You should have your local repository connected to a server repository so you can check out and check in your changes to the server repository. If you are not worried about check outs and check ins then you can do the following. Otherwise you have environment setup steps to perform before commenting out the code.
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.