If the Spanish arrived in South America, the conquistadors at first banned coca being an "evil agent of devil". But just after identifying that without the coca the locals were being scarcely ready to work, the conquistadors legalized and taxed the leaf, taking ten% off the worth of every crop. https://reallivesocial.com/story2578581/the-smart-trick-of-cheap-cocaine-for-sale-that-no-one-is-discussing