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The Soviet Union developed __________________ of its own by 1949. A. tanks B. submarines C. atomic weapons D. spacecrafts E. defenses
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Step 1
: Understand the problem and identify the choices provided.

The problem asks for the military or technological development of the Soviet Union by 1949. The choices given are: a. tanks b. submarines c. atomic weapons d. spacecrafts e. defenses

Step 2
: Recall historical facts about the Soviet Union's development by 1949.

The Soviet Union conducted its first successful test of an atomic bomb in August 1949, becoming the second nation (after the United States) to develop nuclear weapons.

Final Answer

The Soviet Union developed atomic weapons of its own by 1949.

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