苏联是反对英美任何接受有条件和平的计划的。(wiki百科):
At the same time, in their dealings with the United States and Britain, the Soviets insisted on strict adherence to the Cairo Declaration, re-affirmed at the Yalta Conference, that the Allies would not accept separate or conditional peace with Japan. The Japanese would have to surrender unconditionally to all the Allies. To prolong the war, the Soviets opposed any attempt to weaken this requirement.[56] This would give the Soviets time to complete the transfer of their troops from the Western Front to the Far East, and conquer Manchuria (Manchukuo), Inner Mongolia (Mengjiang), Korea, Sakhalin, the Kuriles, and possibly, Hokkaidō[57] (starting with a landing at Rumoi).[58]