In this case, extending the Composite is probably not the best idea unless you're deliberately blocking access to the AbsolutePanel you create in the constructor. If you extend the AbsolutePanel you'll be able to reuse the code to add/remove widgets etc..
Here is another post which might be helpful.
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.