Happened to the Assyrians, to the Greeks, the Mongols, the Brits, ...... and then, in our time, the Russians.
That doesn't happen to be the solution to anything in a nation with a world of opium and a high background violence level.
Recombinant DNA technology would go a long way toward dealing with the opium.
Using recombinant DNA technology, what's the first step and who will do it? What other crops can they grow and will they?