What Was the Original Stated Purpose of Fannie Mae and Freddie

What was the original stated purpose of Fannie Mae and Freddie Mac?

A) To allow the government to extend loans directly to low-income and minority households.
B) To help provide liquidity in the secondary mortgage markets.
C) To operate as non-profit entities that would provide competition for for-profit mortgage companies.
D) To take on mortgages going into default in order to prevent them from going into foreclosure.