A method of communication
<span>c. a lower court made an error in a case</span>
<span>The correct answer to this question is the monetary policy. The monetary policy is controlled by the Board of Governors of the Federal Reserve because this means that monetary policy decisions are separated from the influence of any particular breed of politics or those in more senior positions within the country.</span><span />
It would be the root word "C. Ambi-" that means “more than one”, since this is often used in the English language in words such as "ambidextrous"--meaning to have full use and ability in both hands.
The answer is the 1st one. Hope it helps :)