Typhoon winds led to the failed mongol invasions of

korea
indonesia
hawaii
japan

Japan

Explanation:

During the Mongol invasion of Japan, a battle began between the Mongols and the Japanese.

The battle even tended towards the Mongols, however, at nightfall the bay was besieged by a strong storm that complicated the continuation of the war, and the moguls resolved to retreat to Korea where they could reorganize their troops and refuel, which they did not tell was that the storm would turn into a violent typhoon that would have destroyed more than 200 ships of the fleet and approximately 13,500 soldiers.

disease was the number one killer of native peoples. they had had little exposure to the diseases of europe. this led to some villages being almost completely wiped out and some tribes destroyed.