Manhattan Project Effects

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The Manhattan Project, the most secret government project in U.S. history, that we know of, so secret that even the Vice President did not know it existed. Yes, the atomic bombs. The Manhattan Project came to life in 1942. In charge of the project was General Leslie Groves and physicist J. Robert Oppenheimer. The top secret project was being worked on in five locations across the country, employed thousands of workers, and costed three billion dollars. A few things happened after the United States dropped the bombs on Japan. First off, it set a major mark in world history, it ended World War II, and it changed the thought of war. After the world saw the effects of a nuclear bomb, many, developed, country began working on creating one …show more content…

During the cold war tensions were tight with the thought of nukes and the complete destruction of Earth. The primary sources in this chapter describe the decision and effects of dropping the nuclear bombs on Japan: a petition to the president from the scientific advisory panel, a press release by President Truman, a photograph of the destruction in Hiroshima, surveys on the effectiveness of the bombing and from Japanese leaders, and an eye witness account of the Hiroshima bombing from Father Johannes Siemes. These documents show the impact that the atomic bombs had, not only on Japan, but also on the U.S. when talking about the thought of using such a weapon of mass destruction and the thoughts of regret for using the nukes. The petition from the scientific advisory panel, to President Truman, was to make sure that him and Japan knew the full outcome from using this weapon and even arguing against using it. In Truman’s press release, he explains to the public the development of the bomb, how powerful it is, and the reason for its use. The picture in Hiroshima just show how destructive and devastating the blast was. The surveys provide evidence that the U.S. did not need to use the atomic bombs, based on information recovered …show more content…

He continues to talk about the nuclear bomb and how effective it is. He then states that their leaders rejected the Potsdam Declaration and that that’s why we dropped the bomb, which will be followed with an all-out invasion if they don’t surrender. After that Truman mentions how in the future this new technology could be used as an auxiliary power source. The audience in this source is the entire world. Truman is explaining his reasoning for the damage caused by the bomb and telling everyone that the United States have it. The purpose is to show the world that the U.S. is the strongest military power, because they are a nuclear power. In the last part of the press release Truman is making it a point that nuclear energy can be harnessed for constructive purposes, instead of just a destructive weapon. The third primary document is a photograph taken in Hiroshima. The picture shows a guy standing in the middle of all the rubble in the city, after the first bomb was dropped. The trees are all burned and the only thing still standing is a part of a single building. The bomb devastated Hiroshima and killed 70 to 80 thousand people. The audience for this picture, is really anyone that sees it, whether its posted in a book, magazine, or newspaper. The purpose for it is to show everyone the tremendous amount of damage that was caused

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