"Drug legalization" is when the government allows certain drugs to be legally produced, sold, and consumed. It means that drugs which were previously considered illegal can now be used legally, under certain regulations and restrictions.
For example, you may write about the necessity of drug legalization because people were, are and will be using drugs. (customwritingservices.org)
With the idea that dolphins, as well as a number of other animals, are taking recreational drugs to give themselves a high, does this alter the argument for drug legalization in any way? (slickstermagazine.com)