Online play is dependent on the developers' servers. Your PS4 will be internet-connected to stream a PS3 game so it would, in theory, be able to connect to, say, Activision's servers and play CoD against someone playing on a PS3.
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.