The order represents a major policy shift for the U.S. government, which has continued its longstanding marijuana prohibition — dating to the Marijuana Tax Act of 1937 — even as nearly all the states have approved cannabis use in some form. Two dozen states plus Washington, D.C., have authorized adult recreational use of marijuana, 40 have medical marijuana systems, and eight others allow low-THC cannabis or CBD oil for medical use. Only Idaho and Kansas ban marijuana outright.

https://www.wmar2news.com/politics/trump-reclassifies-state-licensed-medical-marijuana-as-a-less-dangerous-drug