Was Stalin surprised by Truman when told about atomic bomb?

At the close of the Potsdam Conference involving the Big Three on July 24, 1945 U.S. President Harry S. Truman told the Soviet Premier Joseph Stalin that the U.S. has successfully developed a new weapon. Truman later said Stalin was not that surprised.

woodrow wilsons and the treaty signed between france britain and italy

after world war ii, the united states and the soviet union were the major economic, military, and political powers. the world was bilateral multipolar bipolar unilateral

after world war ii, the united states and the soviet union were the major economic, military, and political powers. the world was bipolar.  

the great leap forward, mao zedong's plan to increase china's agricultural and industrial production, was an overwhelming success. true false

the great leap forward, mao zedong's plan to increase china's agricultural and industrial production, was an overwhelming success. true.

explanation: