In this history of the Spanish language I will look first at the people and cultures that inhabited the Iberian Peninsula. These peoples had undoubtedly a great influence in the way the Spanish language evolved.
ANS: The Fed can use open market operations, change the required reserve ratio, or change the discount rate to change the money supply. In practice, the Fed most often relies on open market operations because it is the most flexible tool. It allows for the greatest fine-tuning of the money supply. The required reserve ratio is the tool least used in practice because it is potentially so powerful.
Monetary Policy. Monetary policy is the government's control of the money supply. The government can control how much or how little money is in circulation by the amount that they print and coin. If too much money is out there, it tends to cause inflation, or the devaluation of the dollar. Too little money causes deflation, which can lead to a recession. The powerful arm of government that controls the money supply is the Federal Reserve System, which is headed by the Federal Reserve Board.