It was just a minor freak out, don't overthink it or it will just get bigger and bigger in your head. Get really familiar with the material , read it out loud to a friend or two over the phone, and try again in class as soon as possible.
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.