Board of Trade of City of Chicago v. Olsen

Board of Trade of City of Chicago v. Olsen, 262 U.S. 1 (1923), is a United States Supreme Court decision in which the Court upheld the Grain Futures Act as constitutional under the Commerce Clause of the United States Constitution.

Source: Wikipedia — Board of Trade of City of Chicago v. Olsen (CC BY-SA 4.0)