The government securities that are used in open market operations<span> are Treasury bills, bonds and notes.... Therefore, if the FOMC wants to decrease the </span>money supply<span>, it will sell securities. To </span>increase the money supply<span> in the </span>market<span>, the FOMC will purchase securities from banks.</span>
The original two words are opposites (emancipate: make free/imprison: make not free , so we have to look for other opposites. Those are: endorse (support) and oppose.