American Strategy "State - Nation Building" in Afghanistan

The US after The September 11 (9/11) with obtaining world consensus
created an unparalleled opportunity for herself that enabled has in addition to
military presence and fighting the Talliban and extremists groups, in
political, economical, cultural and social activities too. The main goal of
Americans in this regard has been, to change the identity of Afghan people
in accordance to it's interests. vulnerability of it's allies and it’s failure in
annihilation and eradication of Talliban and extremists groups with the
passing of time , has increased the motivation of America for state building
and nation building, so through this way and with down playing it's military
defeat, create a favourable condition for it's interests. In this paper efforts has
been made to answer this question, what dimensions the American policy in
regards to state - nation building in Afghanistan has and why it has been
defeated. The main hypothesis is, lack of accurate knowledge and
recognition of specifications and culture of Afghan people.