The only way to stop these large criminal enterprises is to legalize the stuff. Just like alcohol prohibition created some of the most notorious American criminals, South American drug prohibitions produce powerful criminals down there. There isn't any large crime related to South American cocoa or coffee imports. Legalize it and then spend money and make laws regulating consumption, it would greatly reduce the miser…
At this point, I doubt it will help. Why? The cartels thrive in countries where you can essentially buy off any official. When you legalize drugs, they aren't going to suddenly stop selling it. They will now have a legal business which will continue to fund their criminal empires. We most likely will see an increase in other crimes, like extortion and kidnapping. Drugs are still illegal in the US and we don't really…
This of course doesn't solve the real problem which is consumption.