I. Important Steps to Promote Global Strategic Expansion After the end of the Cold War, the international balance of power was seriously unbalanced. The United States has superior advantages in many fields, such as military, science and technology, economy, etc., and has become the only superpower, and established a national security strategy with the overall goal of maintaining American hegemony, that is, hegemonic strategy. At the same time, three specific goals have been formulated, namely, maintaining the security of the United States and its allies; Expand the American economy; Promote American democracy in the world. Second, based on geopolitical strategic considerations, in the autumn of 2002, the quarterly National Interest published an article written by George Liboy, Ph.D. in political science at MIT, and others: "The countries that should be focused on should be determined according to the possibility that they pose a threat to American interests. 3. Promoting American-style democracy and values Promoting American-style democracy and values all over the world has always been an important part of American global strategy. Four. Controlling Middle East Oil Iraq is rich in oil resources. 1993 proved oil reserves reached11200 million barrels, ranking second in the world, accounting for about 10% of the total proven oil reserves in the world. American government officials have never denied their purpose: to control Iraqi oil. Five, Xiangzhuang sword dance is intended to plot against Europe. This is a view circulated in European economic circles. It is believed that the real purpose of America's war is to control the oil exports from Iraq and the Middle East, curb the oil sources in Europe, weaken the European economy, and deter European capital from entering the United States in large quantities, thus hitting the euro and even making it bankrupt, so as to maintain the hegemonic position of the dollar in the international financial system. Europe's economy and financial market are similar to those of the United States. If no other major currencies challenge the status of the dollar in the future, the euro may indeed be equally divided with the dollar.