The atomic bomb, and nuclear bombs, are powerful weapons that use nuclear ... twice in war-both times by the United States against Japan at the end of World War II ... The Manhattan Project was the code name for the American-led effort to ... The "Fat Man" killed an estimated 40,000 people on impact.

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Monique Carr

History

25 February, 19:07

The atomic bomb, and nuclear bombs, are powerful weapons that use nuclear ... twice in war-both times by the United States against Japan at the end of World War II ... The Manhattan Project was the code name for the American-led effort to ... The "Fat Man" killed an estimated 40,000 people on impact.

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Juliet Henry · Answer 1

The Manhattan Project

The Manhattan Project was the code name for the American-led effort to develop a functional atomic bomb during World War II. The Manhattan Project was started in response to fears that German scientists had been working on a weapon using nuclear technology since the 1930s.

On December 28, 1942, President Franklin D. Roosevelt authorized the formation of the Manhattan Project to bring together various scientists and military officials working on nuclear research.

Much of the work was performed in Los Alamos, New Mexico, under the direction of theoretical physicist J. Robert Oppenheimer. On July 16, 1945, in a remote desert location near Alamogordo, New Mexico, the first atomic bomb was successfully detonated-the Trinity Test. It created an enormous mushroom cloud some 40,000 feet high and ushered in the Atomic Age.

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