The U.S.A., U.K., France, Cuba, China, Canada, and many many others.
Answer:
B
Explanation:
Control a heavily desired or needed supply/luxury that is only known to exist in 1 part of the world, and you have a monopoly on it, and you can control the price to your liking, and other countries can't do anything about it, so if they want it, they'll have to pay the price you set.
