About 5,000 Slaves served in the continental army, and by 1778 many states slaves who served in the American Revolution were granted their freedom.
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.
The answer is c secondary source