The Balfour Declaration and the British Conquest of Palestine in World War I obviously encouraged the newly-formed League of Nations to award the Palestine Mandate to Britain.
Under the terms of the Mandate, Britain was required to facilitate the establishment of a National Home for the Jewish People in Palestine.
Balfour had been in favour of handing the Palestine Mandate to the United States, but from 1919 the American Government adopted an isolationist policy, refusing to take any part in the work of the League of Nations.
Georges Clemenceau the French premier, who had also sought the Palestine Mandate, was more anxious for British support for French claims to Alsace-Lorraine. In return he offered Lloyd George the Palestine Mandate, and also the Mosul oil-field which had been in the French-influenced zone in the Sykes-Picot Agreement.
In 1922 Britain, with the consent of the Council of the League of Nations, decided that the Jewish National Home would be restricted to the West of the Jordan River. The area to the east of the Jordan became the Hashemite Kingdom of Transjordan (later Jordan), under King Feisal, the son of Sherif Hussein. It became an independent nation in 1946.
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