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The United States was attacked by Japan without warning in December 1941, and there was a declared state of war between the two nations. Japan and the US had both used aerial bombardment of cities in order to destroy the means of production of military supplies and troops. The US had demanded the unconditional surrender of Japan, and Japan had refused. In August 1945, after being at war for about 3 yrs and 8 months, the US dropped the first two atomic bombs on Japan, and Japan decided to surrender.

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13y ago

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