What effect did the end of the Cold War most clearly have on U.S. industries?

A. It hurt the medical industry, which now faced stiff competition
from Russian drug manufacturers.

B. It benefited the sports industry, because many former Soviet
sports stars had immigrated,

C. It threatened the arms industry, which made money off of Cold
War weapons stockpiling!

D. It improved the tourism industry which no longer needed to sell
expensive travel insurance packages.
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