Final answer:
To check trade in drugs, methods include implementing strict regulations, enhancing border security, fostering international cooperation, and launching public awareness campaigns.
Step-by-step explanation:
To address the question on ways to check trade in drugs, the following four methods could be suggested:
- Strict regulations at both national and international levels to control the manufacturing and distribution of drugs.
- Enhanced border security and customs checks to prevent illegal importation and exportation of contraband substances.
- International cooperation between countries' law enforcement agencies to share intelligence and crack down on transnational drug trafficking networks.
- Public awareness campaigns to educate people about the risks of illegal drugs and the importance of purchasing medications from legitimate sources.