please answer

1. Explain what were the main causes of the subprime mortgage crisis. Carefully analyze and interpret the two graphs below and use other information from the lectures and tutorials to support your answer. Figure 1 60 50 US investment 40 banks Leverage (total assets/equity) 30- 20- UK banks 10 1960 1965 1970 1975 1980 1985 1990 1996 2000 2005 2010 Figure 2 1973 End of golden age of capitalism 140 Household debt-to-income ratio 120 100 House price index (2005 = 100) 20 1950 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 2015 Year