Handled right this could be a driver to bring Afghanistan into at least the 18th century.
Having said that there are still the enormous barriers of illiteracy, tribalism, corruption, etc
to overcome before any benefits accrue to the locals. About all that could be done initially is
some kind of extractive operation. As time goes by of course local industry could be built up
to take advantage of the base that extractive ops fund.
And of course the Leftwingantiglobaloanarchistdeathtochimpeymcbushitlercheneyburton crowd
will move heaven and earth to prevent any meaningful use of the resources. Not to mention the
mullahs who will see this as theft of Mooselimb assets and "against religion".