Chaim Weizmann that the issuance of the Balfour Declaration was the greatest single achievement of the pre-1948 Zionists. He believed that the Balfour Declaration and the legislation that followed it, such as the (3 June 1922) Churchill White Paper and the League of Nations Mandate for Palestine all represented an astonishing accomplishment for the Zionist movement. On 3 January 1919, Weizmann met Hashemite Prince Faisal to sign the Faisal-Weizmann Agreement attempting to establish the legitimate existence of the state of Israel. At the end of the month, the Paris Peace Conference decided that the Arab provinces of the Ottoman Empire should be
Chaim Weizmann of Mandate Palestine. In 1942, Weizmann was invited by President Franklin D. Roosevelt to work on the problem of synthetic rubber. Weizmann proposed to produce butyl alcohol from maize, then convert it to butylene and further to butadiene, which is a basis for rubber. According to his memoirs, these proposals were barred by the oil companies. In 1939, a conference was established at St James's Palace when the government drew up the May 1939 White Paper which severely curtailed any spending in the Jewish Home Land. Yishuv was put back to the lowest priority. At the outbreak of war the