The attack on the world trade center in the early morning of September 11, 2001 was a devastating blow to the U.S economy, which had a slight impact on the world economy. This devastating crisis hit the U.S economy at a point when it was already facing serious economic difficulties. Since the beginning of 2000 the US economy has been steadily moving towards recession probably quite a deep recession event without the events of 9/11, Even though the ruth