For 10 points—name this landlocked country which is connected to Pakistan via the Khyber Pass, home to the cities of Kandahar and Kabul.
Neighbors of this country objected to the formation of the Kajaki reservoir on its longest river, the Helmand. It has a short border with a much larger country on the northeast due to the Vakhan, a panhandle into the Pamir Mountains. For 10 points—name this landlocked country which is connected to Pakistan via the Khyber Pass, home to the cities of Kandahar and Kabul.
Neighbors of this country objected to the formation of the Kajaki reservoir on its longest river, the Helmand.
Islamic State of {Afghanistan} [or Dowlat-e Eslâm-ye Afghânestân_]