Citing a movie in an MLA format is very similar to referencing other sources. You will need the following information from the movie: Title, Director's name, Studio or Producer, Year of release, main actors. You can find more information here: liu.edu/CWIS/CWP/library/workshop/citmla....
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.