Which of These Was NOT a Cause of the 2007-2009

Multiple Choice

Which of these was NOT a cause of the 2007-2009 financial crisis?

A) Low interest rates encouraged a housing bubble.
B) Banks and other lenders lowered their quality standards for mortgage loans.
C) Congress enacted restrictive trade policies that failed to curb imports.
D) Investors and financial institutions bought assets that required an unsustainable rise in housing prices.