Which of the Following Was a Contributing Factor to the Instability

Multiple Choice

Which of the following was a contributing factor to the instability of 2002 to 2008?

A) ideal weather from 2002 to 2006, followed by a severe drought in 2007 and 2008
B) falling housing prices leading to an expansion, followed by rising housing prices leading to a  sharp economic downturn
C) an increase in housing prices leading to an expansion, followed by a collapse in housing prices and a sharp economic downturn
D) falling stock prices leading to an expansion, followed by rising stock prices leading to a  sharp economic downturn