Why was the launching of sputnik a significant event?

The answer is

D.

It prompted a space race between the U.S. and U.S.S.R.

answer=(oversee the conversion of peacetime industry to war industry)

hope this : d

several states had passed similar laws, but they were limited to intrastate businesses. the sherman antitrust act was based on the constitutional power of congress to regulate interstate commerce.

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