This document discusses the history of marijuana use and arguments for legalizing it. It outlines marijuana's medicinal uses in ancient Asia and its spread to Europe. In the US, marijuana was legal until the 1930s when it became prohibited due to prejudices. The document argues for legalizing marijuana and taxing it like alcohol in order to benefit medical patients, the economy, and reduce criminal penalties while generating tax revenue. Legalizing marijuana could help combat drug cartels and the document provides comparisons to show marijuana is less dangerous than legal substances like alcohol and tobacco.