A Growing War in Vietnam

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MAP ACTIVITYMap 29.2 The Vietnam War, 1964–1975 The United States sent 2.6 million soldiers to Vietnam and spent more than $150 billion on the longest war in American history, but it was unable to prevent the unification of Vietnam under a Communist government.READING THE MAP: What accords divided Vietnam into two nations? When were these accords signed, and where was the line of division drawn? Through what countries did the Ho Chi Minh Trail go?CONNECTIONS: What was the Gulf of Tonkin incident, and how did the United States respond? What was the Tet Offensive, and how did it affect the war?

In 1963, Kennedy criticized the idea of “a Pax Americana enforced on the world by American weapons of war,” but he had already increased the flow of those weapons into South Vietnam. Kennedy’s strong anticommunism and attachment to a vigorous foreign policy prepared him to expand the commitment that he had inherited from Eisenhower.

By the time Kennedy took office, more than $1 billion in aid and seven hundred U.S. military advisers had failed to stabilize South Vietnam. Two major obstacles stood in the way. First, the South Vietnamese insurgents—whom Americans derisively called Vietcong—were an indigenous force whose initiative came from within. Because the Saigon government refused to hold elections, the rebels saw no choice but to take up arms. Increasingly, Ho Chi Minh’s Communist government in North Vietnam supplied them with weapons and soldiers, aiming eventually to unify all of Vietnam.

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Second, the South Vietnamese government refused to satisfy insurgents’ demands, but the Army of the Republic of Vietnam (ARVN) could not defeat them militarily. Ngo Dinh Diem, South Vietnam’s premier from 1954 to 1963, chose self-serving military leaders for their personal loyalty rather than for their effectiveness. Many South Vietnamese, the majority of whom were Buddhists, saw the Catholic Diem as a corrupt and brutal tool of the West. In contrast, Ho Chi Minh and his associates consolidated their power through land reform and their anticolonialist credentials on the one hand and imprisonment and mass executions on the other.

Stability and popular support enabled the Hanoi government in the North to wage war in the South. In 1960, it established the National Liberation Front (NLF), composed of South Vietnamese rebels but directed by the northern army. In addition, Hanoi constructed a network of infiltration routes, called the Ho Chi Minh Trail, in neighboring Laos and Cambodia, through which it sent people and supplies to help liberate the South (Map 29.2). Violence escalated between 1960 and 1963, bringing the Saigon government close to collapse.

In response, Kennedy gradually escalated the U.S. commitment. By spring 1963, military aid had doubled, and 9,000 Americans served in Vietnam as military advisers, occasionally participating in actual combat. The South Vietnamese government promised reform but never made good on its promises.

American officials assumed that technology and sheer power could win in Vietnam. Yet advanced weapons were ill suited to the guerrilla warfare practiced by the enemy, whose surprise attacks were designed to weaken support for the South Vietnamese government. Moreover, U.S. weapons and strategy harmed the very people they were intended to save. Thousands of peasants were uprooted or fell victim to bombs—containing the highly flammable substance napalm—dropped by the South Vietnamese air force to quell the Vietcong. In 1962, U.S. planes began to spray herbicides such as Agent Orange to destroy the Vietcong’s jungle hideouts and food supply.

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With tacit permission from Washington, in November 1963 South Vietnamese military leaders executed a coup against Diem and his brother, who headed the secret police. Kennedy expressed shock at the murders but indicated no change in policy. In a speech to be given on the day he was assassinated, Kennedy referred specifically to Southeast Asia and warned, “We dare not weary of the task.” At his death, 16,700 Americans were stationed in Vietnam, and 100 had died there.

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Agent Orange For more than a decade, U.S. planes like these sprayed herbicides in Vietnam, Cambodia, and Laos, destroying 5.5 million acres of forest and farmland to eliminate sources of food and enemy hiding places. The most common chemical used, Agent Orange, contained dioxin, which left land contaminated for decades and ruined the health of civilian Vietnamese and American soldiers.
Dick Swanson/The LIFE Images Collection/Getty Images.

REVIEW Why did Kennedy believe that engagement in Vietnam was crucial to his foreign policy?