The answer is A "Manufacturing has become the region's main economic activity"
Hope this helped :D
<span>The USA wanted to prevent areas of the world falling under Communist influence. The Cold War was at its height in the late 1940s and early 1950s, when the French appealed to the USA for aid. The US government saw Vietnam as another Korea</span>
At first they believed that Cubans were building factories for airplanes and ground to air missiles that would be used to attack US airfighters. However, they soon realized that the weapons made and delivered were actually nuclear missiles and they decided not to allow them to reach Cuba.
They oppossed the national bank because they believed that it favored the wealthy
