It depends on France, when you are naturalized, you must 'denounce' (probably not the right word) and pledge allegiance to the USA, Some countries do not recognize this and allow you to reclaim your previous citizenship, (UK) You need to check with the French Consulate, There is no American prohibition for holding dual citizenship as my son is one.
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.