Answer:
a. Social Security Administration
Explanation:
The United States Social Security Administration is an independent agency of the federal government. It was created as part of Franklin D. Roosevelt's New Deal in 1935 (after the signing of the Social Security Act of 1935). The agency administers social insurance programs that consist of retirement, disabilities and survivors' benefits.
The Anti-Federalists were most concerned with the fact that the Constitution was giving far too much power to the central government over the states--meaning that they feared the federal government would become tyrannical.
Scarce is the answer to fill in the blank