Ronald Reagan actually said...
I have determined, pursuant to section 301 (a), (b), and (d)(1) of the Act, that increased duties should be imposed on a most-favored-nation basis on the articles provided for in the Annex to this proclamation.
Context
Proclamation 5601—Imposition of Increased Tariffs on Imports of Certain Articles From the European Economic Community
01/20/1987