He was looking out for the girl; you don't know if he had any connection to her or not. If he asked you to move, I think you did the right thing. It's possible he was protecting her in some way.
(It's also possible she was being transportated to or from jail -- my bus DRIVER was taken away in handcuffs the other day).
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.