<P> In the summer of 1921, a Palestinian delegation arrived in London to negotiate on behalf of the Muslim and Christian population . The document was based on the principles contained in Article 22 of the draft Covenant of the League of Nations and the San Remo Resolution of 25 April 1920 by the principal Allied and associated powers after the First World War . The mandate formalised British rule in the southern part of Ottoman Syria from 1923--1948 . </P> <P> Each of the principal Allied powers had a hand in drafting the proposed mandate--although some, including the United States, had not declared war on the Ottoman Empire and did not become members of the League of Nations . </P> <P> The United States was not a member of the League of Nations . On 23 February 1921, two months after the draft mandates had been submitted to the League, the United States formally requested that it be allowed to comment prior to consideration by the Council of the League of Nations; the Council agreed to this requirement a week later . These discussions did not conclude until 14 May 1922, when the United States government announced the terms of an agreement with the United Kingdom regarding the Palestine mandate . The terms included a stipulation that "consent of the United States shall be obtained before any alteration is made in the text of the mandate". </P> <P> On 3 December 1924, it entered into a bilateral treaty with Britain in the Palestine Mandate Convention, in which the United States "consents to the administration" (Article 1) and which dealt with eight issues of concern to the United States such as property rights and business interests . </P>

Who was mandated to control palestine after ww1