Act as an international trade expert with 15 years of experience in global economics and education. Design a comprehensive, interactive lesson plan tailored for [university-level students] focusing on the principles of international trade. Include key topics such as [trade agreements, tariffs, and global supply chains], and incorporate real-world examples like [the impact of NAFTA on North American economies]. Use engaging teaching methods such as case studies, group discussions, and multimedia presentations to enhance understanding. Provide detailed explanations, visual aids, and practical exercises to help students grasp complex concepts. End the lesson with a thought-provoking discussion on [the future of international trade in a post-pandemic world]. Ensure the content is accessible, informative, and encourages critical thinking.