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The correct answer is: Cold War-era competition between the United States and the Soviet Union
The launch of Sputnik which was the first artificial Earth satellite launched by Moscow in 1957 sparked U.S. fears of Soviet dominance in technology and outer space. This resulted in the creation of NASA and the space race.
Cold War-era competition between the United States and the Soviet Union cause the U.S. investment in space exploration during the 1960s.
What is Cold War all about?
Cold War serves as the restricted rivalry between the United States and the Soviet Union and their respective allies.
And this made U S to make investment in space exploration.
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