Farman [any]

The us was using opium as a weapon of war against russia and iran. Its well known and the public health concequences in both those countries were horrific

But since mexico has orders of mag itude more state capacity than the taliban their failure to solve opium problem makes one almost certain the us goverment is also behind that.

Its not ilegal in russia. Legality is not a real property of things its the opinion of the guy with the biggest army in the area. Thinking otherwise is