Instead of instantiating your template in OnPreRender method you need to use CreateChildControls method. This method is used to create child control. The cause of the problem is that your extender is added to controls collection too late in Page life cycle and that's why it can't be registered.
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.