By insuring bank deposits up to $5,000.
The FDIC was a part of the New Deal programs of legislation during the presidency of Franklin Delano Roosevelt (FDR). FDR signed the measure into law in June, 1933. The program went into effect as of January 1, 1934. Banks soon learned they needed to enroll in FDIC or customers wouldn't come to their banks.
I believe this is a version of Gutenberg’s Printing Press.
They believe their countries problems should be dealt with.
I think that it is shared between the national and state government