When passing objects across RPC call's its a good practice to declare concrete parameter types in the RPC interface. If for some reason you cannot use concrete class in the RPC interface try to be as specific as possible.
You might want to check that serialization policy file isn't the source of the problem.
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.