Steward Machine Co. v. Davis
Steward Machine Company v. Davis, 301 U.S. 548 (1937), was a case in which the United States Supreme Court upheld the unemployment compensation provisions of the Social Security Act of 1935, which established the federal taxing structure that was designed to induce states to adopt laws for funding and payment of unemployment compensation.
Source: Wikipedia — Steward Machine Co. v. Davis (CC BY-SA 4.0)