; (3) the program of block grants for States for temporary assistance for needy families established under part A of title IV of the Social Security Act ( 42 U.S.C. 601 et seq.); (4) the special supplemental nutrition program for women, infants, and children established by section 17 of the Child Nutrition Act of 1966 ( 42 U.S.C. 1786 ); (5) the State Medicaid program under title XIX of the Social Security Act ( 42 U.S.C. 1396 et seq.)