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Cooper–Church Amendment

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Through United States Senate

Background and congressional action

The amendment was presented by Senators John Sherman Cooper (Republican – Kentucky) and Frank Church (Democrat – Idaho) and attached to a major bill, the Foreign Military Sales Act of 1971. The proposal was introduced in response to the recent Cambodian Incursion, including Operations Binh Tay 1/Tame the West and Freedom Deal. Senators Church and Cooper were several of the first politicians to begin openly and adamantly opposing the war in Vietnam. Their amendment sought to:

  1. End funding to retain U.S. ground troops and military advisors in Cambodia and Laos after 30 June 1970
  2. Bar air operations in Cambodian airspace in direct support of Cambodian forces without congressional approval
  3. End American support for Republic of Vietnam forces outside territorial South Vietnam.

The Cooper-Church amendment received support from both sides in the Senate including backing from Mike Mansfield, Jacob K. Javits, William S. Symington, and J. William Fulbright. A majority of the supporters saw the amendment as an overdue attempt to reassert Congress’ constitutional control over the power to make war, while the Nixon administration condemned it as an unconstitutional intrusion into the President’s power as commander-in-chief. After a seven-week filibuster and six months of debate, the amendment was approved by the Senate by a vote of 58 to 37 on 30 June 1970. The bill failed in the House of Representatives, which opposed inclusion of the amendment by a vote of 237 to 153. President Nixon threatened to veto the bill if it contained the Cooper–Church provisions, and the foreign assistance bill was subsequently passed without it.

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