From what I've read, the Japanese were already ready to surrender and had begun talks up to a full year before the bombs were dropped. The only reason there had not been a surrender was because America demanded the unconditional surrender of Japan, but Japan was only 99.9% willing, with the exception that the emperor be left in power. America said "sorry, that's not your decision". After the bombs were dropped a year later, America accepted the same surrender terms given by the Japanese that full year before. The emperor was left on the throne. We did not get the unconditional surrender that we've been taught the a-bombs garnered.









