The first issue happens because you don't have the local rsa key linked to your account on GitHub (and yes, you link the rsa key to your account, and the organisation is linked to your account as well).
I am not sure if I can help you with the error which looks like an SSL issue to me. But I can suggest you another approach. I deploy my blog to my server in this way.
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.