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the us wanted to keep communism from spreading based on the domino theory(containment.) according to the truman doctrine the plan for asia was to hold perimeter positions offshore rather than fighting to hold ground on the mainland and they violated that in the chinese, korean, and vietnam war.
Assuming that you mean Korea and Vietnam respectively, US foreign policy was dominated by two political theories: the Containment Policy and the Domino Theory, The first one, formulated in the late Forties after the Communist takeover of China and a number of East European countries, said that Communism should be contained in the territories it now controlled and that any effort to expand them further should be forcibly resisted. The second held that if one country in Asia would further fall to Communism, all other countries in the region would fall to it like so many Domino's. This policy therefore logically led first to the Korean war and later to the Vietnam war. The first one was succesful, the second one was not. On the other hand, the Domino Theory was proven wrong.
There are many reasons why the Americans became increasingly involved in Vietnam war. A main one being the French. They had influenced Indo-China since before world war II. Japan, in WWII, tried to get hold of Indo-China so they fought the French for it. At the beginning of the battle, it was the Frech and Vietminh vs Japan. Japan were on their way to victory so France decided they had no chance of winning and decided to think about surrendering. Japan, being communist, were trying to make Indo-China communist and due to the American theory of the Domino theory, they decided to back up France. Another main reason linking into the answer above was the American attitudes to communism, they would do anything to stop communism spreading. Examples of this are, the Truman Doctrine, Marshall Aid and also the Domino theory was an insentive to stop communism spreading.
Why the US involvement in the Vietnam war lengthened can be sparated into four categories: Political, Financial, Advisory and Military.Political - Communism vs Capitalism, Cold War, Domino Theory, Truman Doctrine, Changing President, Eisenhower, Kennedy, Johnson, Influence of public - Korean War, Ho Chi Minh helping.Financial - Financial air to the French - first stage of involvement.Advisory - Sending in advisors - Vietcong (figures), Strategic HamletsMilitary - Korean war (slow involvement), gulf of Tonkin (g) and Pleiku, Operation Rolling Thunder.
The US was an ally with France, Britain and Russia. The US was fighting to keep the peace in Europe. The United States supplied its allies with weapon food etc...
There is no difference. It would have been more difficult to get involved in Vietnam WITHOUT the domino theory.
It caused hiim to get involved in the Vietnam War
It caused hiim to get involved in the Vietnam war
to keep indochina from going communist. It was part of the domino theory
Vietnam was a domino in domino theory if communist expansion
the vietnam war
The domino theory applied to the United States being involved in Vietnam because communism was starting to take over Southeast Asia. Laos and Cambodia also became affected by the war in Vietnam. Other countries had tried to help and already given up by the time the United States was fully involved in the war.
Vietnam
North Vietnam's victory over South Vietnam
Vietnam
The Domino Theory
The victory of Communist North Vietnam over South Vietnam. A+