More than 3m people live in this rugged region, where the ethnic-Pushtun-dominated west of Pakistan blurs into the Pushtun-dominated east of Afghanistan along a 600km (375-mile) border.

在这片地势崎岖的艰苦之地居住有300多万人，沿着600公里（合375英里）长的边界，普什图（Pushtun）族控制下的巴基斯坦西部地区同由普什图人控制的阿富汗东部地区之间已经界限模糊。

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Pakistan, with 170m people and nuclear weapons, is vulnerable to the Taliban's potent mixture of ethnic-Pushtun nationalism and extremist Islam (see article).

ECONOMIST: The war in Afghanistan