Special method str of a class works only for the instances of it, to have the different behavior for class objects you will have to do it in a metaclass e.g. (python 2.5).
That method is reserved for the meaning "return a string representation of this instance".
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.