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There was no one specific event that caused Truman to decide to use the atomic bomb where, where without that event he would not have done so.

The US and Japan were at war and were treating each other in what we would now call a barbarous fashion. The invasion of Iwo

Jima

had been much more difficult than expected and had resulted in extremely high US casualties. Military planners thought a conventional invasion of the Japanese Home Islands would result in over a million US casualties and lead to a protracted guerrilla war, with Japanese civilians fighting to the death, etc. That is the sort of calculation that lead to Truman agreeing to use the atomic bomb.

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11y ago
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8y ago

To cause Japan to surrender without the need for an Allied (primarily American) invasion of the Home Islands.

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Q: What accounts for Truman's decision to drop the atomic bomb on Japan?
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Was Trumans decision to drop the atomic bomb valid?

Based on the information that he had, yes. Japan had refused to surrender, invasion of Japan would have cost several million lives, and it DID end the war.


What part did Stalin have in Trumans decision to drop the atomic bombs on japan?

Truman didnt want Stalin to get any peace, and was basically telling him to back off


What was trumans goal in deciding to drop the atomic bomb on japan?

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How did the Battle of Okinawa affect President Trumans decision to use the atomic bomb against Japan?

It was a tough call for the President but he reasoned that he could end the war faster and save the lives of many American service men. The deaths of the military there, helped in that decision.


How important a factor was the atomic bomb in the decision to surrender?

Japan was in total disaster after the atomic bombs and Japan had no remedy what so ever. They had to surrender.


What president made decision to drop atomic bombs on japan?

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What us leader Made thE decision to drop the atomic bomb in japan?

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What did the us fear about Japan which led to the decision to use atomic bombs?

Japan would not surrender prolonging on the war


Which president made the decision to drop atomic bombs on japan?

President Harry Truman


Was the decision to drop the atomic bomb on Japan justified?

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Who was the American President that made the decision to drop the atomic bomb on Japan?

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What was Truman's big decision in World War 2?

To drop atomic bombs on Japan