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The U.S. began work on making nuclear bombs (atomic bombs) in WW2 out of fear that Nazi Germany might be working on them and use them to win the war, we needed to 1) determine if they could be made and 2) if they could try to make them before Nazi Germany did. After WW2 the U.S. continued making them and began work on hydrogen bombs out of fear that the USSR might attack the U.S. and/or western Europe.
could be another name for mustard gas bombs. if not try the urban dictionary it has a funny definition for it.
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To try to end the war quickly.
President Truman because president after President Roosevelt died before the end of the war. He was informed of the atomic bomb project after the death. He deliberated for months about using the atomic bombs. One was tested and worked. One of Truman's cabinet members or assistants told him he would have to face the Americans if they lost millions of their sons (and some daughters too) if they learned there was a bomb that might have ended the war and prevented the deaths of their sons. Truman decided it was more prudent to try to end the war with the bombs.
Making Japan surrender to end World War 2 was the only pro to the bombing. The main cons are that 135,000 of mostly civilians died as a result, and in particular, the second bomb was probably not even necessary. Lots of second guessing by people not having to live through the war is not really all that helpful, but it is good to reflect upon arguably bad decisions that have been made and to try not to repeat them.
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try this: http://en.wikipedia.org/wiki/Atomic_bombings_of_Hiroshima_and_Nagasaki
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You can obtain a RF signal generator from a variety of locations. You can try your local electronics store. If they do not stock it you can try places such as Amazon or eBay.
try using links bombs and boomerang if you fail try using his up special to get it.