Durand Line came into effect in:

🧠 Explanation:

The Durand Line, defining Pakistan-Afghanistan borders, came into effect in 1893. For geography students, this highlights geopolitical boundaries, making it a key topic for studying South Asian history, international relations, and regional conflicts. It shapes border dynamics. Understanding this clarifies geopolitical tensions. It’s essential for analyzing political geography, international relations, and regional studies. Studying the Durand Line offers insights into how borders influence conflicts, crucial for geography, political science, and international relations.