Final answer:
The Battle of Leyte Gulf contributed to the Allies' victory by weakening the Japanese Navy and providing the Allies with strategic resources in the Philippines.
Step-by-step explanation:
The Battle of Leyte Gulf contributed to the Allies' victory in several ways. Firstly, it marked a major turning point in the Pacific War by destroying a significant portion of the Japanese Navy. With the Japanese naval power significantly weakened, the Allies gained dominance in the Pacific, making their eventual victory more likely. Secondly, the battle allowed the Allies to regain control of the Philippines, which provided strategic airfields and supply bases for their operations. These resources were crucial in staging the ground invasion of Japan, further contributing to the Allies' eventual victory.