Anti-Vietnam Movement in the U.S. The antiwar movement against Vietnam in the US from 1965-1971 was the most significant movement of its kind in the nation's history. The United States first became directly involved in Vietnam in 1950 when President Harry Truman started to underwrite the costs of France's war against the Viet Minh. Later, the presidencies of Dwight Eisenhower and John F. Kennedy increased the US's political, economic, and military commitments steadily throughout the …showed first 75 words of 2569 total…

…showed last 75 words of 2569 total…may have produced a patriotic backlash. Overall, the movement eroded support for Johnson and Nixon, especially by the informed public. Through constant dissident, experts in the movement, the media, and the campuses helped to destroy the knee-jerk notion that "they in Washington have created." Thus, from the beginning of the US involvement in Indochina's affairs, the antiwar movement in the US from 1965-1971 was the most significant movement of its kind in the nation's history.