Fortunately for their ill-served nation, their willingness to renounce the Jews' sovereign rights under the LeagueofNationsMandate was never binding, because the Arabs rejected the plans and so rendered them null and void.
By then, Britain had run Palestine for more than 20 years, having captured it from the Turks in 1917 and accepted a LeagueofNationsmandate to govern the country and help the Jews establish a national home.