>>/44755/
> Iran and Taliban used to be enemies (theological differences lol) but I'm assuming Iran will not shoot itself in the foot and adopt the pragmatic stance here now.
Also depends on how pragmatic the Taliban will be. If they alienate the Hazara too much, Iran may retaliate. That will depend on how they'll try to build their power structure. There's no unifying Afghan nationalism and they chiefly represent a subset of Pashtuns. For prolonged stability they'll have to establish alliances with elites of other ethnicities and a modus vivendi with their populations, or their power will fall apart.
It'll be interesting to watch how they choose to run the country now. How much of the old regime's administrative structure, most of which stands intact, will they absorb into theirs, and how will this change the character of the new regime? Will they enforce a more moderate sharia than what they did in the 90s? How much development will they pursue, given that it can threaten the permanence of the social order they prize?

I suppose their neighbors will want a stable and moderate, or stable and isolationist, regime, while America will back the more fundamentalist and outward-looking factions to destabilize the region. Those will always exist because it's in the nature of the Taliban's ideology, but will be powerful only under certain conditions.