This is the JavaScript functional way to doing things. It's called closure: functions carry variable pointers from their current scope and from any other parent scope. So it's not only good practice, but this is the pattern you should normally follow instead of pushing around parameter objects, etc.
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.