⚖️ Schechter Poultry Corp. v. U.S. (1935) The Substantial Effects Doctrine (1937-1942) ⚖️ NLRB v. Jones & Laughlin Steel Corp. (1937) ⚖️ U.S. v. Darby (1941) ⚖️ Wickard v. FIlburn (1942) Enumerated ...