Let me start out by saying you are NOT expected to understand more about these proofs than what is already covered in class and/or the handouts. But if you want to delve deeper for your own learning and/or comfort. The following text is a great resource: Neter, J.
, Kutner, M. H. , Nachtsheim, C.
J. , & Wasserman, W. (1996).
Applied Linear Statistical Models. Chicago: Irwin.
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.