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mich late 1940s event prompted the United States to take steps to protect itself from Soviet espiona
the detonation of a bomb on Russian soil
the fall of China to communism
the rise of the Soviet Union's military
the conviction of Alger Hiss
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ark this and return



Answer :

Final answer:

The United States took measures to protect itself from Soviet espionage after the Soviet Union detonated an atomic bomb in 1949.


Explanation:

The detonation of an atomic bomb by the Soviet Union in 1949 prompted the United States to take steps to protect itself from Soviet espionage. This event accelerated the nuclear arms race and heightened fears of Soviet capabilities.


Learn more about Cold War tensions here:

https://brainly.com/question/41169118