In 1945, the surrender terms were presented to the Empire of Japan "We have laid down the general terms on which they can surrender. Our warning went unheeded. Our terms were rejected. (1) The world will note that the first atomic bomb was dropped on Hiroshima, a military base. That was because we wished in the first attack to avoid insofar as possible, the killing of civilians.(2) But that attack is only a warning of things to come". ~ Harry S Truman, 34th Vice President and 33rd President of the United StatesThe Truman Doctrine(1) It is suggested by many historians that if the United States had given Japan conditional surrender terms including a guarantee of the Emperor's safety, then the Japanese would have surrendered sometime in the spring or early summer of 1945, possibly even sooner. Facts such as this points to the idea that Truman's Administration had ulterior motives for dropping the bombs. (2) Hiroshima was a civilian target chosen because it had not previously bombed. If it was a military target, it would of course have been bombed before. (3) Hinting of the third strike on Tokyo that occurred on the morning of August 14th. Part of a radio broadcast by Truman on 9 August 1945, referring to the atomic bombing of Japan available at Learning Curve.