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Truman's Decision


Jeff Hall

on 5 December 2013

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Transcript of Truman's Decision

Truman's decision
Manhattan Project
Japan wouldn’t surrender
-The Japanese soldiers would fight until the death on their home soil.
-They warned that the invasion might cost between 250,000 and 500,000 American casualties. & another 500,000 Allied soldiers
Potsdam Conference July 1945
-"prompt & utter destruction" warning
Strategic Bombing
-Bombed Tokyo and other major cities killing over 300,000 people (a-bombs killed under 200,000)
Hiroshima Aug. 6, 1945
-Hiroshima was the 7th largest city in
Japan, heavily populated.

-Nothing survived in a 5-mile radius, 75,000
died instantly, others later b/c of radiation.
Nagasaki Aug. 9, 1945
-30 to 50,000 died instantly
-the U.S. threatened to drop more atomic bombs, but we did not have any more.
The formal surrender of Japan took place aboard the USS Missouri on September 2, 1945 in Tokyo Bay. (V-J Day).
Truman justified dropping
the bombs with 4 reasons:
1.It would end the war successfully at the earliest possible date.
2.It justified the effort and expenses of building the atomic bombs.
3.It offered hope of achieving diplomatic gains in the growing rivalry with the Soviet Union.
4.There were a lack of incentives not to use the weapon
Alternatives to dropping the bomb:
1.Invade Japanese mainland.

2.Hold a demonstration for Japanese ambassadors

3.Drop an atomic bomb on selected industrial Japanese cities,

4.Continue strategic bombing and blockade the islands,

5.Wait for Soviet entry into the war on August 15 ,1945

6.Mediate a compromised peace.
Full transcript