under international law, the territory is disputed. were it not disputed, there would be no need for negotiations. you say east jerusalem belongs to the arabs. in another post you said that the old city belongs to israel. however, the arabs claim that the old city, including the jewish quater and the kotel, belong to them. i advise you not to assume that you are a negotiator or that you know international law.
U.S. confirms ISIS computer expert killed in air strike (Reuters)
from the article: A condition for peace