A Law of Nations legal precedent was established by the League of Nations, with pre-approval by the U.S. Congress a few weeks earlier, as shown in the following extracts from the website https://israelforever.org/state/Mandate_for_Palestine_Jewish_State/:

…The concept of a National Jewish Home in Palestine as set forth in the Balfour Declaration was approved by the League of Nations Council on July 24, 1922, and endorsed by a joint resolution of the United States Congress on June 30, 1922. The "Mandate for Palestine" was issued by the League of Nations…

…Whereas recognition has thereby been given to the historical connection of the Jewish people with Palestine and to the grounds for reconstituting their national home in that country…

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