Drugs were legal in the 19th century. It didn't work out so well. Read f.e the history of the Opium Wars in which Britain sold opium to the Chinese. It devastat

Drugs were legal in the 19th century. It didn't work out so well. Read f.e the history of the Opium Wars in which Britain sold opium to the Chinese. It devastated their country which the European powers then exploited.