Histroy tells you unless your macdoenian best not to try and conqueor/fight that country.
I know a few Afghani and they were amazed that nato tried to stay on although it has changed the country since the taliban getting a kicking still poor has can be but people do have a little more freedom than before which means a great deal to many. The rebel alliance (sounds like star wars) were hardly a bunch of angels with some really nasty warlords who had their own agenda.