For 10 points, name these two countries whose capitals are Islamabad and Kabul.
This tossup requires two answers. A river named for the capital of one of these countries, classically known as the Kophen or Kubha, flows into the other's main river after passing through Warsak Dam. A mountain range that defines these countries' border contains the Throne of Solomon peak, which is found in one of these countries' Federally Administered Tribal Areas. The busiest point of entry for travel between these countries is the Torkham crossing, which leads into a province that contains Swat Valley. Their border is defined by the (*) Durand Line, which cuts through the Khyber Pass and follows the Hindu Kush mountain range. Combined, these two countries contain the majority of Pashtun people, as well as most Taliban militants. For 10 points, name these two countries whose capitals are Islamabad and Kabul.
This tossup requires two answers. A river named for the capital of one of these countries, classically known as the Kophen or Kubha, flows into the other's main river after passing through Warsak Dam.
(Islamic Republic of) Pakistan AND (Islamic Republic of) Afghanistan 