Jewish immigration was purposely limited by the British administration. Weizmann agreed with the policy but was afraid of the rise of the Nazis. From 1933 there were year-on-year leaps in mass immigration by 50%. Prime Minister Ramsay MacDonald's attempted reassurance on economic grounds in a White Paper did little to stabilize Arab-Israeli relations. In 1936 Weizmann addressed the Peel Commission (set up by the returning Conservative Prime Minister Stanley Baldwin), whose job it was to consider the working of the British Mandate of Palestine. He insisted that the Mandate authorities had not driven home to the Palestinian population that the terms of the Mandate would be implemented, using an analogy from another part of the British Empire: