The launch of Sputnik I intensified Cold War tensions and caused the

A.)United States to increase spending on technology with the Soviet Union

B.)Soviet Union to threaten nuclear attack against Europe

C.)United States to send military aid to East Berlin

D.)Soviet Union to move missiles to Cuba

On October 4, 1957, the Soviet Union launched the earth's first artificial satellite, Sputnik-1. ... As a result, the launch of Sputnik served to intensify the arms race and raise Cold War tensions. During the 1950s, both the United States and the Soviet Union were working to develop new technology.

Explanation:

So the answer is A

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explanation: