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During wartime horrible atrocities against all of humanity must be dealt with Crimes against humanity as never witnessed before and hopefully to never be seen again occurred during the course of World War II America has always and most likely will always place a high value on American lives In order to protect these lives and to insure that the world is safe for democracy American leaders had to make a very tough decision whether or not to drop the atomic bomb on Japan This act would essentially trade Japanese lives for American lives The Japanese were responsible for hundreds of thousands of American casualties in the Pacific including the unprovoked attack on Pearl Harbor With Japanese forces showing no signs of surrender American leaders made a decision This decision essentially changed the history of warfare forever An atomic bomb is any weapon that gets its destructive power from an atom This power comes when the matter inside of the atoms is transformed into energy The process by which this is done is known as fission The only two atoms suitable for fission are the uranium isotope U-235 and the plutonium isotope Pu-239 Fission occurs when a neutron a subatomic particle with no electrical charge strikes the nucleus of one of these isotopes and causes it to split apart When the nucleus is split a large amount of energy is produced and more free neutrons are also released These neutrons strike other atoms which causes more energy to be released If this process is repeated a self-sustaining chain reaction will occur and it is this chain reaction that causes the atomic bomb to have its destructive power The first type of atomic bomb ever used was a gun-type In this type two subcritical pieces of U-235 are placed in a device similar to the barrel of an artillery shell One
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