The Manhattan project There are many people who believe Japan bombed pearl harbor because they felt threatened when the united states spread its influence over the Philippines. However in bombing pearl harbor they would start World War Two. Because the U.S. wanted to ultimately win the war they needed some sort of a super weapon. Hence the Manhattan project was put into action. The Manhattan project was solely devoted to creating a nuclear weapon …showed first 75 words of 1396 total…

…showed last 75 words of 1396 total…Later 70,000 people would die of radiation poisoning.(Hicare inst.,5) By the time the Manhattan Project was done the U.S. had spent 1.8 billion dollars, equivalent to twenty billion in today’s dollars. The project was completely successful in creating the worlds first atomic weapons. This weapon saved many American lives that would have been lost at war with Japan. However the price to pay for this was the thousands of Japanese men, women and children.