Nuclear Physicists have dreamed about the practical use of the newly discovered atomic fission, they dreamed about the A-bomb. When Enrico Fermi discovered atomic fission, he was not far sighted enough to imagine such a terrible bomb, but others did like Leo Szilard. Japan was always trying to avoid war with the U.S., and the U.S. was trying to avoid a two-front war. However, as the U.S. cut off trading with Japan as a result to the Japanese invasion of Nanjing, Japan launched their still remembered attack on Pearl Harbor on December 7, 1941. Nevertheless, Japan was a hard country to fight, because of the distance between it and the U.S., and the Japanese suicidal fighters or Kamikazes as they were called for their unmatched determination to die during their fight. Nonetheless, dropping the A-bomb should have been the last alternative in order to defeat Japan...