Which of the following statements describes a major cause of the policy shift outlined in the passage?
A. The U. S. dollar's value had fallen steeply each year since the
conclusion of World War II.
B. The American gold mining industry had collapsed as a result of its
monopolistic structure.
C. Several European leaders had agreed to establish the Bretton
Woods system.
D. Foreign countries had begun exchanging their U. S. dollars for gold
at an increasing rate.