摘要
Ever since Bush entered the White house, especially after 9/11 events, America has successively published series of strategic documents, such as the Nuclear Posture Review, Quadrennial Defense Review, National Security Strategy of the United States of America, National Strategy for Combating Terrorism, National Strategy to Combat Weapons of Mass Destruction. After its unilateralist practices gained points military and lost points politically in the Afghan war and the Iraq war, the multi-lateralist posture on dealing with
