Look for passages where Claudius feels one way, and passages where he feels another way. I would say; Sometimes he feels guilt, sometimes he feels it was okay and he even tries to kill Hamlet junior as well. It might help to go onto Sparknotes.Com and read his character analysis.
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.