It is not possible. If you want message level security (encryption, signing, authentication) over Internet you must use user name and password for clients (provides client authentication) and certificate for service (service authentication to client and exchange of key for encryption and signing).
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.