Why did the USA nuke japan in ww2?

Japan had attacked Pearl Harbor in Hawaii, starting World War ll, so the USA decided to defend themselves and nuke Japan before they took over.

Explanation:

It led to a quick end to World War II.

It saved the lives of American soldiers.

It potentially saved the lives of Japanese soldiers and civilians.

It forced Japan to surrender, which it appeared unwilling to do.

It was revenge for Japan's attack at Pearl Harbor.

It matched the brutality that Japan used during the war.

the mongolian invasion of china and central asia resulted in a disruption of the silk road as the chinese garrisons lost support from the chinese kingdoms which fell under the mongols. however, as the mongols established a formal dynasty in china, the successors of genghis khan restored the garrisons along the silk road allowing the safe travel caravans again.

answer; i believe the two groups were irish immigrants and chinese immigrants;