The central bank of the united states is called the
bank of the united states system.
federal reserve system.
federal bank oversight system.
credit reserve system.

Federal Reserve System

The Federal Reserve System is the central banking system of the United States. It was created on December 23, 1913 after the passing of the Federal Reserve Act. It was intended to reduce the financial crises that had become common during the first years of the 20th century. The three main objectives of the Federal Reserve System are: maximizing employment, stabilizing prices and moderating long-term interest rates.

the correct answer is

d) rocket launcher