The area that saw nearly 400,000 Jewish people immigrating between 1919 and 1941 is Palestine.
After the fall of the Ottoman empire, Palestine was governed by the British who allowed Jews to come in.
After the Nazis came to power in Europe, the number of Jews migrating there increased until 400,000 had reached there by 1941.
Find out more on the partitioning of the Ottoman empire at https://brainly.com/question/12209405
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