Drug Trafficking Policies A. Harrison Narcotics Act (HNA)- was passed in 1914 and completely banned the sale of substantial doses of opium and coca. Drug trafficking became a problem in the years to follow this act. In 1918 a special committee found that drug smuggling had increased. B. Marijuana Act- was passed in 1937 and required those who used marijuana to obtain a special license. C. Narcotic Drug Control Act- was passed in 1956 and was permitted for selling drugs to minors. D. National Program for the Control of Drugs 1995-2000- has an emphasis on the following initiatives: Dismantling the international criminal or