What is the difference between Models, Domains, Repositories and Services in the MVC paradigm?

They're not. These are all elements of the Domain Driven Design methodology. A first introduction would be this free e-book.

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.