At the Potsdam Conference , which started in late July after Germany 's surrender , serious differences emerged over the future development of Germany and the rest of Central and Eastern Europe . Moreover , the participants ' mounting antipathy and bellicose language served to confirm their suspicions about each other 's hostile intentions , and to entrench their positions . At this conference Truman informed Stalin that the United States possessed a powerful new weapon
Potsdam Conference
Potsdam Conference
Cold War