Art. I, Sec. 8, Cl. 18The Necessary and Proper Clause

  1. McCulloch v. Maryland (1819)

  2. Prigg v. Pennsylvania (1842)

  3. United States v. Dewitt (1869)

  4. Hepburn v. Griswold (1870)

  5. Knox v. Lee (1871)

  6. United States v. E.C. Knight (1895)

  7. Champion v. Ames (1903)

  8. Hammer v. Dagenhart (1918)

  9. Schechter Poultry Corp. v. United States (1935)

  10. NLRB v. Jones & Laughlin Steel Corp. (1937)

  11. United States v. Darby (1941)

  12. Wickard v. FIlburn (1942)

  13. Heart of Atlanta Motel v. United States (1964)

  14. Katzenbach v. McClung (1964)

  15. South Dakota v. Dole (1987)

  16. New York v. United States (1992)

  17. United States v. Lopez (1995)

  18. Printz v. United States (1997)

  19. United States v. Morrison (2000)

  20. Gonzales v. Raich (2005)

  21. NFIB v. Sebelius (2012)