True or False: and why

1-Mortgages were a larger proportion of bank assets during the Credit Crisis than now.

2-During the Credit Crisis, the Federal Reserve took almost three months to develop an adequate plan to deal with the incredible challenges facing it.

3-Central banks around the world are government organizations that are meant to report to and be accountable to their respective legislatures to ensure they are always doing what is best for the populace.

4- Stockholders are considered to have a preferred claim on a company's cash flows.