Final answer:
The Battle of Leyte involved the liberation of the Philippines by the Allies in October 1944.
Explanation:
The island nation that the Allies fought to liberate in the Battle of Leyte was the Philippines. The Battle of Leyte, which took place in October 1944, was a significant event in World War II where U.S. forces regained control of the Philippines.
Learn more about World War II in the Pacific here:
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