The atomic bomb test
The atom bomb testing done in 1949 by the Soviets was one of five or six others done from 1949 to 1955 or 56. The US discovered it when they saw it in their "spying" on Russia. They knew Stalin had achieved his goal to build an atomic bomb and missiles.
Stalin was angry
Falso
The atomic bomb test
The atomic bomb test
He used spies.
The atomic bomb test
The United States government was deeply penetrated with Soviet spies. Even one of the senior scientists on the Manhattan Project itself was a communist agent who regularly passed information along to Moscow. Stalin knew all about it. Michael Montagne Stalin holded a meeting with USSR famous scientists in 1942 , researched A- bomb ! USSR knowed A-bomb by Britain USSR understanded that make A-bomb by USA
take over
Physicists world wide knew about the possibility for atomic power and atomic blast. They knew about it long before the Manhattan Project developed atomic power and atomic bombs. It was Physicist Einstien who wrote a letter to FDR to let him know there was evidence of the Germans looking into the idea of building an atomic bomb.
Actually, Stalin was not included in the group of countries that contributed to the nuclear bomb. Churchill did have something with it like Canada and Australia.