Why Did the Bretton Woods System Ultimately Break Down

Multiple Choice

Why did the Bretton Woods system ultimately break down?

A) The refusal of OPEC countries to accept payment for oil in gold.
B) The refusal of surplus countries to devalue as required by law.
C) An inability to devalue the U.S.dollar despite chronic payments deficits.
D) An inability to adequately measure balance of payments surpluses and deficits.