- the development and construction of the a- bomb - how and where the bomb was used - japanese...
TRANSCRIPT
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The End of WWII and the A-Bomb
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What Will We be Examining
- The Development and Construction of the A-Bomb- How and Where the Bomb was used- Japanese Surrender- What other Options did the Americans have- The Fill in the Blanks will be Highlighted
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Executive Committee, Manhattan Project, September 14, 1942Left to Right: Thomas Crenshaw, Robert Oppenheimer, Harold C. Urey, Ernest O. Lawrence, James B. Conant, Lyman J. Briggs, E. V. Murphree, Arthur Compton, Robert Thornton, K. D. Nichols
Manhattan Project
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President Harry Truman-Took Office after FDR died three months after his fourth term in Office
- Made the final decision to use the Atomic Bomb to End World War Two
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The Dropping of “Little Boy”
and “Fat Man”- After the Decision to use the Bomb was made, “Little Boy” was dropped on- The U.S. Army believed died from the initial impact and estimates vary from dead from the fallout
Hiroshima66,00
0100,000 – 200,000
“Little Boy”
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The Dropping of “Little Boy”
and “Fat Man”
“Fat Man”
- When Japan refused to surrender the American Army dropped “Fat Man” on the city ofOn August 9th 1945 - It was only after the dropping of “Fat Man” did the Japanese Emperor surrender unconditionally
Nagasaki
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Victory Over Japan- was declared on August 10th 1945 on the American Battleship USS Missouri where Emperor Hirohito signed an unconditional surrender - Japan was demilitarized and a new democratic government was established led by General Douglas MacArthur, of the Allied Forces
VJ Day
Supreme Commander
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Where There Other Options?
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Military Alternatives - Wait for Russia to enter the War against Japan- Japan would be greatly outnumbered and MAY finally surrender - Another option was to invade Japan itself through conventional bombing and warfare until victory
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Diplomatic Options- The Americans could have modified the terms of an unconditional surrender in the Potsdam Proclamation - Allow the Emperor to be the ceremonial head of state
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The Bomb-The Americans knew that an invasion of Japan would be very costly- Huge financial investment in the bomb- Retribution for Pearl Harbor and terrible POW conditions
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Discussion… What would you do?