Medicine could be safer / uncontaminated through various ways
U.S. guns / weapons could not illegally go into Mexico / Latin America
Bricks could be made from invasive algae
Peyote could be protected for Native American religion / produced synthetically for others
Mexican pharmacies could not sell counterfeit drugs with fentanyl
Mexico could improve its police, prison, social welfare / basic income, and justice systems to confront drug cartels
Heirloom corn produced in specific areas could be used and cultivated