First of all you should remove comma before }) at the end of your code. Your code is sure not full. For example url parameter is not defined so I suppose the comma come from the reduction of real code.
The same name of the columns in (colModel) to return userdata, example.
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.