In your concrete case you should just add Type = typeof(Contact) to the mapping attribute, like so.
Well in your domain you can't use the IContract to reference to your domain entity use Concrete class instead. If you want to correct your version use simply this.
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.