What act established comprehensive control of heroin in the United States?

The establishment of comprehensive control over heroin in the United States is attributed to the Harrison Narcotic Act. This act, enacted in 1914, was a significant piece of legislation that regulated and taxed the production, importation, and distribution of narcotics, including opiates and cocaine. The Harrison Narcotic Act marked a profound shift in the United States' approach to controlling drugs, as it was one of the first laws that classified narcotics as substances subject to governmental control and required prescriptions for legitimate medical use.

The Harrison Narcotic Act aimed to address the public health concerns associated with drug addiction and the misuse of opiates, laying the groundwork for future drug legislation and the eventual establishment of a more comprehensive regulatory framework for controlled substances. It created a system where only licensed physicians could prescribe narcotics, pushing the trade of these substances underground if not properly regulated.

The other acts mentioned, while important in the context of drug regulation, do not solely focus on heroin or did not establish comprehensive control in the same way the Harrison Narcotic Act did. The Pure Food and Drug Act primarily aimed to ensure the quality and labeling of food and medicine. The Controlled Substances Act and the Comprehensive Drug Abuse Prevention and Control Act were more comprehensive legislative measures that came