Teribus: " Israeli's said, "You want your land back, you openly and officially recognise our right of existence and respect our sovereignty." Some countries did (Egypt and Jordan) Syria did not. Within the area of Palestine certain groups did not accept and groups such as the PLO, Fatah and latterly Hamas and Hezbollah sprung up backed by Gadafi in Libya, Saddam Hussein in Iraq and by Iran"

And moreover, could it not have been the fact that Israel evidently had no intention of withdrawing from the West Bank that led to the formation of the PLo in the first place?