Discuss the quantitative easing program that the Federal Reserve operated from 2009 to 2014. What conditions did the Fed say needed to prevail in order to bring the program to a conclusion?

Discuss the quantitative easing program that the Federal Reserve operated from 2009 to 2014. What conditions did the Fed say needed to prevail in order to bring the program to a conclusion?

Please see this link for some useful background: Investopedia: What is Quantitative Easing?