In foreign affairs , the Attlee government was concerned with four main issues ; post-war Europe , the onset of the Cold War , the establishment of the United Nations , and decolonisation . The first two were closely related , and Attlee was assisted by Foreign Secretary Ernest Bevin . Attlee also attended the later stages of the Potsdam Conference , where he negotiated with President Harry S. Truman and Joseph Stalin
Potsdam Conference
Potsdam Conference
Clement Attlee