You can not just close your answer account you would have to close all your Yahoo account including email. Also keep in mind that if you close your Yahoo Account your question and answer still remain it just does not show your profile. If you don't want to lose your account accounts.
Just put everything on private and don't use it again. Below is information on how to close your account if you decide to do that.
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.