linguistic:paraphrasing, structural:summarization, information:classification, stylistic:tone, information:filtering
The mortgage crisis from late 2007

Following their mission to meet federal Housing and Urban Development (HUD) housing goals, GSEs such as Fannie Mae, Freddie Mac and the Federal Home Loan Banks (FHLBanks) had striven to improve home ownership of low and middle income families, underserved areas, and generally through special affordable methods such as "the ability to obtain a 30-year fixed-rate mortgage with a low down payment... and the continuous availability of mortgage credit under a wide range of economic conditions". Then in 2003–2004, the subprime mortgage crisis began. The market shifted away from regulated GSEs and radically toward Mortgage Backed Securities (MBS) issued by unregulated private-label securitization (PLS) conduits, typically operated by investment banks.