Need help with Q1-3-6 please? Thank you

1. What is the secondary mortgage market? List three reasons why it is important. 2. What were the three principal activities of FNMA under its 1954 charter? What is its principal function now? 3. Name two ways that FNMA currently finances its secondary mortgage operations. 4. When did GNMA come into existence? What was its original function? What is its main function now? 5. Why was the formation of FHLMC so important? 6. What is a mortgage-related security? What are the similarities and differences between mortgage securities and corporate bonds