Under the gold standard, the world supply of money A. could be expanded or contracted by any country depending upon whether they had balance of…

Under the gold standard, the world supply of money

A.could be expanded or contracted by any country depending upon whether they had balance of payments surpluses or deficits.

B.was constrained in its growth by the frequency and amount of new discoveries of gold.

C.could be expanded by open market operations just as it is today.

D.None of the above.