Answer:
A. The United States' main export is petroleum-based products.
Step-by-step explanation:
The United States is interested in Southwest Asia for oil that can help the United States economically. Petroleum or oil is found in the largest quantity in the Persian Gulf.
The United States' main export is petroleum-based products. The United States consumes petroleum to produce distillate that is further used to create diesel fuel. Other non-fuel products in which oil is used include clothes, toys, luggage, phones, soap, and cosmetics etcetera.
Petroleum-based products are the fastest growing areas of US exports.
Hence, the correct answer is "A. The United States' main export is petroleum-based products."