were huge reserves of petroleum in iraq and they would now be controlled mostly by britain. the treaty also provided for enough tone i'm a scottish region in the new turkish state. jewish communities have existed in palestine for centuries. beginning in 1920 large numbers of jews most of them from europe began immigrating to the region . zionist organizations demanded that a national home for jewish people should be created in palestine. during the war britain had said that any new jewish state should not disrupt existing arab communities britain made these and other promises to win arab support against the ottomans. the british officer t.e.