Afghanistan and the Cold War?

The border between pakiston and afghanistan, it splits the the the homeland of the pastoon in particular, right down the middle. And there as also significant groups of hasara people and baloch people of were also divided and and massed up because of that order. So can you talk about this larger political context in which afghanistan was placed, particularly with regard to the cold war? Right? "We made deals with the devils, or rather, or onor our monarch's dead"