If Truman refused to use the atomic bomb on Japan, what should he have done instead?

[DCBob]

150. The Potsdam Declaration

From Wikipedia..

On July 26, the United States, Britain and China released the Potsdam Declaration announcing the terms for Japan's surrender, with the warning, "We will not deviate from them. There are no alternatives. We shall brook no delay." For Japan, the terms of the declaration specified:

-- the elimination "for all time the authority and influence of those who have deceived and misled the people of Japan into embarking on world conquest"

-- the occupation of "points in Japanese territory to be designated by the Allies"

-- "Japanese sovereignty shall be limited to the islands of Honshu, Hokkaido, Kyushu, Shikoku and such minor islands as we determine." As had been announced in the Cairo Declaration in 1943.

-- "The Japanese military forces shall be completely disarmed"

-- "stern justice shall be meted out to all war criminals, including those who have visited cruelties upon our prisoners"

-- "We do not intend that the Japanese shall be enslaved as a race or destroyed as a nation, ... The Japanese Government shall remove all obstacles to the revival and strengthening of democratic tendencies among the Japanese people. Freedom of speech, of religion, and of thought, as well as respect for the fundamental human rights shall be established."

-- "Japan shall be permitted to maintain such industries as will sustain her economy and permit the exaction of just reparations in kind, but not those which would enable her to rearm for war. To this end, access to, as distinguished from control of, raw materials shall be permitted. Eventual Japanese participation in world trade relations shall be permitted."

-- "The occupying forces of the Allies shall be withdrawn from Japan as soon as these objectives have been accomplished and there has been established, in accordance with the freely expressed will of the Japanese people, a peacefully inclined and responsible government."

-- "We call upon the government of Japan to proclaim now the unconditional surrender of all Japanese armed forces, and to provide proper and adequate assurances of their good faith in such action. The alternative for Japan is prompt and utter destruction."

As a result, Prime Minister Suzuki felt compelled to meet the Japanese press, to whom he reiterated his government's commitment to ignore the Allies' demands and fight on.

http://en.wikipedia.org/wiki/Potsdam_Declaration

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Slounds pretty clear and fair to me. They rejected it so they got the alternative -- prompt and utter destruction.