Potsdam conference and its controlling over the 2nd world war

In history The contribution of Potsdam conference is inevitable that let the world to get out from the curse of war. This conference was occurred in the house of prince Wilhelm in Potsdam of Germany which is also referred as Berlin conference aimed at ceasefire after unconditional surrender of both Germany and Italy in 1945. Three heroic presidents Joseph Stalin, Winston Churchill, Herry S. Truman sequentially from Russia, Britain and U.S attended this conference. The goals of the conference includes post war order, peace treaty issues and analysing the effect of war.
In this historical meeting Japan was invited to quit the war and surrender to alliance countries ( France, Russia, USA and Britain). Meanwhile Japan denied their offer and in consequence of their denial confronted two huge nuclear explosions.