According to the writer, in the mid-1990s Smithson’s department store（）

A. This meant the values of different currencies could be compared in terms of one another.
B. At this conference, both the International MONETARY Fund (IMF) and the International Bank for Reconstruction and Development were established.
C. The Greeks and Romans commonly used gold as a medium of exchange.
D. It is not surprising, then, that the world saw a return to such payment.
E. Except for a brief period in the early 1930s, the United States stayed on the gold standard.
F. Countries had to buy their own currency with gold and foreign exchange in order to keep its value above the minimum intervention point, as agreed a Bretton Woods.
G. This is called the system of fixed exchange rates.