That is so because session is maintained on server side. If you want that an idle page in user's browser be signed out automatically, you have to write some javascript for it. You can use ajax request to check if session is expired or not and depending upon the result you can redirect the user to index (login or any other page that does not require authentication).
You ought to be able to manage this from the web.config.
Yes, each session has variables associated on a per-session basis.
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.