The ssh private key is completely different from the X.509 certificate and private key. It's a little confusing because folks often save the ssh private key generated by EC2 in a ". Pem" file just like the cert and pk use.
Basically the keypair you get from AWS IS in pem format suitable for using in ssh command line.
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.