U.S. Entry into the Vietnam War: Causes and Escalation
This paper examines the origins and escalation of United States involvement in the Vietnam War, tracing the incremental steps taken between 1950 and 1975. Beginning with President Truman's military and economic aid to the French in Indochina, the paper discusses how Cold War ideology, particularly the Domino Theory, shaped American foreign policy decisions. It covers the Geneva Conference, the creation of South Vietnam under Ngo Dinh Diem, the growing insurgency of the Viet Cong, and the expanding military commitments made by Presidents Eisenhower, Kennedy, and Johnson — culminating in the Gulf of Tonkin Resolution and the full deployment of U.S. combat forces in 1965.
- Introduction: A War Without a Clear Beginning: Vietnam War's incremental U.S. entry from 1950
- Truman, the French, and Early U.S. Involvement: Truman aids French; Domino Theory shapes policy
- The Geneva Conference and the Creation of South Vietnam: Geneva accords partition Vietnam; South Vietnam established
- Kennedy's Expansion of the War: Kennedy sends advisers and Green Berets to Vietnam
- Johnson and Full Military Commitment: Gulf of Tonkin Resolution and Operation Rolling Thunder
- Why the War Began: Anti-communism, credibility, and presidential temperament
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What makes this paper effective
- Maintains a clear chronological structure that helps readers follow the gradual escalation of U.S. involvement from 1950 to 1965.
- Draws on a range of scholarly sources to support factual claims, lending credibility to historical assertions about policy decisions and military operations.
- Connects ideological motivations (the Domino Theory, anti-communism) to concrete policy actions, showing causation rather than simply listing events.
Key academic technique demonstrated
The paper demonstrates effective use of historical causation analysis — each presidential administration's actions are explained in terms of the political ideology and strategic logic driving them. Rather than simply narrating events, the paper links decisions to their underlying rationale, such as Truman's aid to the French being rooted in fear of communist expansion and the need to preserve non-communist markets in Asia.
Structure breakdown
The paper opens with an introductory section establishing the uniqueness of Vietnam as a war without a clear start date, then moves chronologically through the Truman, Eisenhower, Kennedy, and Johnson administrations. A dedicated analytical section titled "Why the War Began" synthesizes the motivating factors — anti-communism, credibility, and presidential temperament — before a full reference list concludes the paper.
Introduction: A War Without a Clear Beginning
A majority of American wars have had obvious starting points: the capture of Fort Sumter in 1861, the battles of Lexington and Concord in 1775, the attack on Pearl Harbor in 1941, and the invasion of South Korea by North Korea in June 1950. However, for the Vietnam War, there is no fixed beginning. The United States entered that war incrementally through a series of steps that took place between 1950 and 1965 (Asselin 337). The Vietnam War is considered America's longest war, lasting 25 years from 1950 to 1975. It was a proxy war in which opposing powers used third parties to fight on their behalf.
Truman, the French, and Early U.S. Involvement
As noted above, the United States joined the war incrementally. It all began in May 1950 when President Harry Truman sanctioned a modest program of military and economic aid to the French, who at that time were fighting to retain control of their Indochina colony — a colony that included Cambodia, Laos, and Vietnam. The reasoning behind sending aid to the French was rooted in President Eisenhower's belief in the Domino Theory, which stated that if one nation fell to communism, the rest would follow, just like falling dominoes (Lawrence 70).
The French forces were defeated by the Vietnamese Nationalist, Communist-led Viet Minh army at Dien Bien Phu in 1954 (Brown 15). This forced the French to accept the creation of a Communist Vietnam north of the 17th parallel, leaving a non-Communist entity to the south. While the French acquiesced to this arrangement, the United States did not. In order to ensure that Vietnam did not fully become a communist nation, the Eisenhower administration attempted to build a viable state from the political entity that existed south of the 17th parallel. This was accomplished by establishing a form of government there that took over from the French. The United States dispatched military advisers to train the South Vietnamese army and also deployed the Central Intelligence Agency (CIA), which was charged with conducting psychological warfare against the North.
The Geneva Conference and the Creation of South Vietnam
The Viet Minh launched a major offensive that resulted in the defeat of the French, after which negotiations took place between the two sides. The United States participated in the Geneva Conference beginning on April 26, 1954. The meetings established provisions for removing the French from Indochina and partitioning the country at the 17th parallel (Tonnesson 148). A reunification election was called for in 1956, and the country was renamed Vietnam from Indochina. Because the United States did not sign the accords, South Vietnam was established under the leadership of Ngo Dinh Diem, serving as America's shield against communist expansion in Southeast Asia.
To protect its allies against communist expansion more broadly, the United States created the Southeast Asia Treaty Organization (SEATO). Immediately after the Geneva Conference, President Eisenhower began supplying South Vietnam with materials and money to strengthen Diem's political position and to build an army capable of combating North Vietnamese forces (Neu 132). With this support, Diem managed to gain considerable trust from the Eisenhower administration — trust that grew further when Diem began eliminating supporters of North Vietnam and refusing to hold the 1956 reunification elections.
The refusal to hold reunification elections led Ho Chi Minh to conclude that his dream of unification was under serious threat, prompting him to launch operations against the United States and South Vietnam. The Viet Cong, also known as the National Liberation Front — the revolutionary political army of North Vietnam — began infiltrating South Vietnam around 1960 (Taylor 407). The infiltration was carried out along the Ho Chi Minh Trail, a network of elaborate routes running from North Vietnam to South Vietnam through Laos and Cambodia. The Viet Cong aimed to recruit support for their cause within South Vietnam.
References
Asselin, Pierre. "The Vietnam War: A Documentary Reader." Journal of Southeast Asian Studies 48.2 (2017): 337–38. Print.
Brown, T. Louise. War & Aftermath in Vietnam. New York, NY: Routledge, 1991. Print.
Dinh, Viet D. "How We Won in Vietnam." Policy Review 104 (2000): 51. Print.
Isaacs, Arnold R. "Remembering Vietnam." Military Review 93.5 (2013): 86. Print.
Lawrence, Mark Atwood. The Vietnam War: A Concise International History. Oxford University Press, 2008. Print.
Logevall, Fredrik. The Origins of the Vietnam War. New York, NY: Routledge, 2013. Print.
Neu, Charles E. America's Lost War: Vietnam, 1945–1975. Wheeling, IL: Harlan Davidson, 2005. Print.
Price, Joanna. "Remembering Vietnam: Subjectivity and Mourning in American New Realist Writing." Journal of American Studies 27.2 (1993): 173–86. Print.
Taylor, Keith W. "Vietnam: A New History by Christopher Goscha." Sojourn: Journal of Social Issues in Southeast Asia 32.2 (2017): 405–11. Print.
Tonnesson, Stein. Vietnam 1946: How the War Began. Los Angeles, CA: University of California Press, 2010. Print.
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