Villages on both sides of this so-called Durand Line are inhabited by members of the same tribes. People on one side of the line have cousins on the other side, and vice versa. How did Durand decide where to draw this line? By calculating how far forward into Afghan territory the British could push without getting pushed back. The Durand Line marks the line of scrimmage at a particular moment. As such, it is sure to be a place of enduring conflict. It froze into place Afghan resentment about losing Peshawar, turning that problem into a permanent political fact.

