Which of these was NOT a major reason for American dominance of the Potsdam conference?

Question

Quizplus · Accepted Answer

The Soviet premier at the Potsdam conference was Joseph Stalin, who remained in power for several more years after the conference. The other choices are all factors that contributed to American dominance at Potsdam. Harry Truman was more willing to confront the Soviet Union than his predecessor Franklin Roosevelt, who had sought cooperation with Stalin during WWII. The new British prime minister, Clement Attlee, was seen as weaker than Churchill and more deferential to the U.S. Finally, the U.S. had successfully tested the atom bomb in July 1945, giving Truman a powerful weapon to use against Japan and a deterrent against Soviet aggression.

Which of These Was NOT a Major Reason for American