So, Thailand should be canceled for marijuana as a drug because it has the benefit of medical treatment and reducing crime, because it turned into a Liberal, no crime around trading illegally.
Therefore, Thailand should cancel, marijuana is addictive, because the purpose of medical treatment, and reduce crime because it is free, it will not turn around to steal trade illegally.
So the Thai should cancel marijuana as drugs because it is useful to medical treatment and reduce the crime problems because of open free, there would be no illegal around the trading illegally.