In the history of the world, what item did people use for money over the broadest geographic area for the longest period of time? Gold Silver Cowrie shells Precious metals Assume the original equilibrium occurs at Eo. What point represents an expansionary monetary policy? Eo (8% interest rate, 10 billion) E1 (10% interest rate, 8 Billion) E2 (10% interest rate, 8 billion) E1 ( 6% interest rate, 14 billion)