Recv_disconnect is firing by the user, not the server. Either you have to make the user disconnect (adding a link or button?) or use events like "beforeunload" or "unload" to call it. In both situations you will need to call socket.disconnect().
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.