The War Refugee Board played a crucial role in the rescue of as many as 200,000 Jews. However, some people still wonder how many more Jews might have been saved if the rescue missions had begun sooner.
Source at the Unied States Holocaust Memorial Museum
Other practical measures which were not taken concerned the refugee problem. Tens of thousands of Jews sought to enter the United States, but they were barred from doing so by the stringent American immigration policy. Even the relatively small quotas of visas which existed were often not filled, although the number of applicants was usually many times the number of available places. Conferences held in Evian, France (1938) and Bermuda (1943) to solve the refugee problem did not contribute to a solution. At the former, the countries invited by the United States and Great Britain were told that no country would be asked to change its immigration laws. Moreover, the British agreed to participate only if Palestine were not considered. At Bermuda, the delegates did not deal with the fate of those still in Nazi hands, but rather with those who had already escaped to neutral lands.
Source at the Simon Wiesenthal Museum of Tolerance
By 1938, some 450,000 of about 900,000 German Jews had fled Germany, mostly to British Mandate Palestine (a number which also included over 50,000 German Jews who had taken advantage of the Haavara, or "Transfer" Agreement between German Zionists and the Nazis), but British immigration quotas prevented many from migrating. In March 1938, Hitler annexed Austria and made the 200,000 Jews of Austria stateless refugees. In September, Britain and France granted Hitler the right to occupy the Sudetenland of Czechoslovakia, and in March 1939, Hitler occupied the remainder of the country, making a further 200,000 Jews stateless.
In 1939, British policy as stated in its 1939 White Paper capped Jewish immigration to Palestine (then a British mandate concerning which Britain had entered into previous agreements after Arabs helped defeat Ottoman Turkey during the First World War) at 75,000 over the next five years, after which the country was to become an independent state. Britain had offered homes for Jewish immigrant children and proposed Kenya as a haven for Jews, but refused to back a Zionist state or to take steps that might imply the legitimacy of Hitler's policies.
Before, during and after the war, the British government obstructed Jewish emigration to Mandatory Palestine so as to avoid a negative reaction from Palestinian Arabs. In the summer of 1941, however, Chaim Weizmann estimated that, when the war was over, it would take two decades to get 1.5 million Jews to Palestine from Europe; David Ben-Gurion believed 3 million could be brought in ten years. Thus Palestine—certainly, at least, once war had begun—could not have been the saviour of anything other than a small minority of those Jews murdered by the Nazis.
Source at Wikipedia