The answer is: Murmuring ;)<span />
Answer:
The exports of San Juan, Puerto Rico are chemicals, electronics, clothing, canned tuna, rum, beverages, and the last one is medical equipment.
The imports are Gasoline, other fuels, Passenger vehicles, Medical instruments, and Sulfonamides
Answer:
B. The growing threat of the former Soviet Union and world communism.
Explanation:
The U.S. signed the many treaties in order to ensure peace. There was an increasing threat of the soviet union and there was a lot of tension between the two nations, a lot of it due to communism. Those treaties didn't work for long because just 2 years later, the cold war broke out.