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The Atomic Bombing of Hiroshima and Nagasaki

The Atomic Bombing of Hiroshima and Nagasaki. Root cause of bombing. Motivation for the Bombing. 1. To stop the plan called Operation Downfall, a planned attack on the U.S. 2.To prevent mass casualties resulting from the planned invasion of the Japanese mainland.

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The Atomic Bombing of Hiroshima and Nagasaki

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  1. The Atomic Bombing of Hiroshima and Nagasaki

  2. Root cause of bombing Motivation for the Bombing. 1. To stop the plan called Operation Downfall, a planned attack on the U.S. 2.To prevent mass casualties resulting from the planned invasion of the Japanese mainland. 3. To prevent the war from going on any longer.

  3. Reasons not to bomb Many people didn’t want us to use the bomb. 1. Ethical consideration that the act of bombing civilians may be considered a war crime. 2. Use of bombs may not serve intended purpose. Japan may still refuse to surrender.

  4. Important People Albert Einstein was a critic of the bombing and was against it. He sent a letter to the president saying that the bombs weren’t necessary.

  5. Important People • Leo Szilard is one of the many people against the bombing of Hiroshima and Nagasaki.

  6. Important People • Peter Kuznick was the director of the Nuclear Studies Institute at American University. He said to the president: ”Heknew he was beginning the process of annihilation of the species. It was not just a war crime; it was a crime against humanity."

  7. Maps of the devastation and the weapon that caused it First Atomic Bomb Format of the First Atomic Bomb

  8. Details • The Americans decided to bomb Japan with the Atomic bombs to avoid being attacked and to protect lives of American soldiers. It is estimated half of our men, a number approaching about half a million people, would have died invading Japan. • There were no good solutions to end the war, given Japan’s willingness to accept a tremendous amount of casualties in continuing their war efforts.

  9. In the end • At the end of the bombing, more than 220,000 people died from both bombs (The “Little boy” killed 140,000 people in Hiroshima and the “Fat man” killed 80,000 people). • The Japanese surrendered six days later.

  10. Time Line • 1. August 8th, 1945, leaflets dropped to warn of next bombing unless the Japanese accepted their requests. • 2. August 9th, Soviet Military declare war on Japan. • 3. August 9th, the “Fat man” bomb carried to Nagasaki and dropped by U.S. B-29 Superfortress Bockscar. • 4.August 14, Japan surrenders and ends the war.

  11. Hiroshima • A city in Japan that was the primary source for the bombing with the “Little man”. • The bomb did 1.38% of material fissioning. 90% of the buildings were damaged or completely destroyed.

  12. Nagasaki The largest seaport in Japan and very important during the war. The primary target was Kokura and Nagasaki as a secondary. The bombs temperature was 3900 degrees Celsius (7000 degrees Fahrenheit).

  13. Citied Sources http://en.wikipedia.org/wiki/Debate_over_the_atomic_bombings_of_Hiroshima_and_Nagasaki http://www.ihr.org/jhr/v16/v16n3p-4_Weber.html http://www.atomicarchive.com/Docs/MED/index.shtml

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