GetJSON is just shorthand for ajax with a few values already set. And ajax has a timeout option. That is probably the most reliable option (but obviously won't respond to network failure immediately).
I personally would combine it with any checks you can find for determining network status.
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.