Final answer:
Midway and Hawaii were the islands that allowed the United States to launch attacks at Japan during World War II.
Step-by-step explanation:
The islands that allowed the United States to launch attacks at Japan were Midway and Hawaii. During World War II, the Battle of Midway in the Pacific Ocean was a crucial turning point that weakened Japan's naval power. Hawaii, specifically the naval base at Pearl Harbor, was also significant as it provided a strategic location for the United States to launch attacks on Japan.
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