in hindsight, there is a possibility that it may have been achieved. but, it was just as likely japan would not have surrendered despite intesified bombing. the U.S. wasnt going to change its surrender policy, so that option it out, and sending in ground troops was a no go because of the estimates. certainly, in hindsight, looking back at what could have been, some would say we should no have dropped the bomb, while others would say that at the time any outcome was possible, EXCEPT that it was known dropping the A-Bomb would certainly end the war. that was the only REAL solution at the time. 100 percent, no ifs ands or buts.