Which statement is the most accurate? 

a) The American empire, like the Romans, the Spanish, and the British before us, uses its military might to force other nations to provide us with low-cost goods.

b) No one would ever suggest that there is such a thing as an American empire.

c) We have become very dependent on our trading partners, who have been willing to accept U.S. dollars to finance our trade deficits.

d) Although our international trade position has deteriorated in recent years, we can continue on this course indefinitely.