The US dropped two atomic bombs on Japan and forced them to surrender and dismantle their army. This is the answer to the end of the pacific war, maybe you meant a specific battle?
The Battle Of Iwo Jima
The Battle of Midway and the dropping of the atomic bombs on Hiroshima and Nagasaki led to the end of World War II.
Nagasaki, Japan
Germany, Japan.
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The Japanese Instrument of Surrender was the written agreement that enabled the Surrender of Japan, ending World War II.
japan went into a neutral state of living after the war
The United States wasn't at war with Japan in WW1.
Soviet Union
Soviet Union
Nuclear fission
Soviet Union