Explore the significance of national borders in a 19-minute TED talk that challenges the notion that geographical lines have become irrelevant. Using historical and contemporary maps, examine the root causes of border conflicts worldwide and discover simple yet ingenious solutions proposed for each. Gain insights into how geopolitical boundaries continue to shape global dynamics and influence international relations. Learn from Parag Khanna's expertise as he presents a compelling case for the enduring importance of cartography in understanding and addressing global challenges.