true or false: one of the major reasons why savings institutions contributed to the credit crisis of 2008-2009 was that the economy had been doing well and many savings institutions began offering a large amount of subprime mortgages to borrowers who did not qualify for conventional mortgages. true false which of the following was a major savings institution that contributed to the credit crisis of 2008-2009? washington mutual fannie mae suntrust bank lehman brothers