The point of catching, doing some treatments, then throwing back the exception is to make it available for catching by some catch statement somewhere above your code in the stack. If the exception is not catched anywhere, it will go up to the CLR level and stop the process.
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.