What is the ‘thalweg’ principle in international boundaries? 👤 By TheQuizWire ✅ Fact Checked 📊 Difficulty Hard 📅 Last Updated 01 Dec 2025 A. Median line B. Left bank C. Right bank D. Deepest channel Check Answer 💡 Explanation: The thalweg principle determines a river boundary based on the line of the deepest channel, ensuring shared navigation rights. 📚 Topics: Borders and Boundaries Geography 🎯 Exams: CSS GEN PMS