Macroeconomics - Quantitative Easing, writing homework help

Read the articles:1. What is quantitative easing?http://www.economist.com/blogs/economist-explains/2015/03/economist-explains-5 -March 9, 20152) What is quantitative easing?http://www.bbc.com/news/business-15198789 -January 22, 2015In your initial response to the topic you have to answer all 3 questions.1. What is quantitative easing?2. Hasn’t the Fed already tried quantitative easing? When? What were the results? Discuss the method of quantitative easing used by the Federal Reserve during the most recent U.S. recession, including any criticisms of this action.3. Did QE3 help the economy?