KnowraHarrison Narcotics Tax ActLinked fromLinked fromThe 8 pages that link to Harrison Narcotics Tax Act, each with the reason it gives.All 8Broader topic 2Related 5Narrower topic 1Drug prohibitionBroader topic: Its restrictive administration helped establish federal control of narcotics in the United States.Illegal drug tradeBroader topic: It helped establish federal controls that pushed some transactions into illicit markets.