What technological achievement did the soviet union make during this time? . a developing the gydrogen bomb. b. building the suez canal. c. launching sputnik. d. creating the massive retaliation theory

The correct answer is c) launching the Sputnik.

The technological achievement that the Soviet Union did during this time was the launching of the Sputnik.  

On October 5, 1957, the Soviet Union launched the Sputnik. It was the first artificial satellite to orbit the Earth. This launch came as a totally surprised for the United States who considered they had better technology than the USSR. This event increased tension between the two countries.  

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