Our law is a Jordanian law that we inherited which applies to both the West Bank and Gaza and sets the death penalty for those who sell land to Israelis.
You don't have any communication between the Israelis and the Iranians. You have all sorts of local triggers for conflict. Having countries act on a hair trigger - where they can't afford to be second to strike - the potential for a miscalculation or a nuclear war through inadvertence is simply too high.