What factors led to the mortgage default crisis? How didmortgage defaults affect

What factors led to the mortgage default crisis? How didmortgage defaults affect banks involved in mortgage lending andmortgage investing? Securitization? TARP? What do these mean? Howdid mortgage-backed securities spread losses during the mortgagedefault crisis? How does TARP illustrate the problem of moralhazard? What did the Federal Reserve do during the financial crisisof 2008 and 2009? How did the recent financial crisis affect thefinancial services industry? What are some of the major provisionsof the Wall Street Reform and Consumer Protection Act?