Hello I am trying to write on The banking industry crisis, bailout of commercial and investment banks

a few paragraphs with an analysis of 1 of the following corrective actions taken by the Federal Reserve as a result of the crisis: Quantitative easing,Purchase of toxic assets from financial institutions,Paying interest on reserve balances

I was also asked to address in my analysis: Actions taken by the Federal Reserve to mitigate the crisis, How the corrective action helped to restore stability to the financial system, How the corrective action should prevent recurrence of a similar crisis