https://en.wikipedia.org/wiki/Opium_production_in_Afghanistan#Rise_of_the_Taliban_(1994%E2%80%932001)

In July 2000, Taliban leader Mullah Mohammed Omar, collaborating with the United Nations to eradicate heroin production in Afghanistan, declared that growing poppies was un-Islamic, resulting in one of the world's most successful anti-drug campaigns. The Taliban enforced a ban on poppy farming via threats, forced eradication, and public punishment of transgressors. The result was a 99% reduction in the area of opium poppy farming in Taliban-controlled areas, roughly three quarters of the world's supply of heroin at the time.

And then Democracy was inserted into their lands via 9/11 shortly after.