Every single time you execute the outer on('data' ... you're adding another on('data' ... element; that's why you're getting the increased number at each request. You're modifying your handler structure to add handlers in your handler.
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.