During the Cold War, the Soviet Union launched the satellite Sputnik, which was a major event because it launched the "space race" between the Soviet Union and the US.
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Truman’s policy was more defensive than offensive. This can be seen in the Marshall Plan where he used economically to rebuild war-torn as an incentive to promote democracy. Though he would not use military force, He vowed to support countries against communism and this was seen in the establishment of NATO as a deterrent to Russian expansion.
I think A. more enjoyable
Answer:
Transcontinental railroad
Explanation: