If the client hasn't met the server before, so he doesn't know what public key to expect, one must use a third party intermediary to validate the identities involved. In P2P scenarios, you have what are called " key signing parties ", where people exchange public keys through meeting face-to-face.
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.