What is the role of the federal deposit insurance corporation (fdic)? *
a. to monitor the investments of banks.
b. to provide social insurance for the elderly.
c. to insure bank depositors against bank collapse.
d. all of the above.

The primary role of the Federal Deposit Insurance Corporation (FDIC) is "c. To insure bank depositors against bank collapse," since this instills a sense of confidence in the banking industry. 

Opposition to the nra came to a head in 1935, when the conservative supreme court declared the agency unconstitutional, claiming the nra gave the executive branch regulatory powers that belonged exclusively to congress. this decision began a series of court decisions that overturned key elements of the new deal.