Vietnam is a country 9000 miles away from the United States. Yet America felt that its national interest to protect the peace in south Asia and stop communist was threatened strongly enough to fight a war there. Therefore, American considered that the establishment of the “Iron Curtain” of Europe must be stopped to happen again in Asia. Meanwhile, the communist take over of China, the Korean War and the communist victory over the French in Vietnam –all led many Americans to fear that The communists were taking over the world and America must dispatch force to stop their expansion. At that time, most American believed in the “Domino Theory”, suggesting that if one Asian country fell to the Communist the others would quickly follow. The U.S. government believed that by helping the South Vietnamese government to resist the invasion of the North Vietnam and prevent the spread of communism to throughout the world to stop advance of communist is the only one and most important perspective for American strategy in the Cold War. After the WWII, US government considered that the communism pose a great threat to world peace. For example, communist easily established so-called “Iron Curtain” in the east Europe and overthrew Chang regime in the China and drove out France from Vietnam. Therefore, with France withdrawal from Vietnam, American wants to prevent a Communist takeover as well as reluctance on apart of American presidents to assume of primary responsibility for fighting Vietcong and their North communist Vietnam allies. Meanwhile, From Truman, American presidents all had done enough to avoid charge as “ who lost Vietnam to communist.” by 1954, instead of keep the promise of Geneva of taking place a free elections in order to elect a leader to rule the united Vietnam, American assisted Nyo Dinb Diem as the president of Vietnam, established American- style government in the...
