A piece of legislation that was passed at the beginning of the Vietnam War and repealed before its end is the Gulf of Tonkin Resolution. Thus, option (d) is correct.
On August 7, 1964, Congress approved the resolution in reaction to the Gulf of Tonkin incident, in which North Vietnamese torpedo boats allegedly attacked the U.S. Navy in the Gulf of Tonkin.
The resolution gave President Lyndon B. Johnson the power to take whatever actions he thought were necessary to protect American personnel and advance stability and security in Southeast Asia.
The resolution served as the official justification for the Vietnam War during the Johnson and Nixon administrations.
As a result, the significance of the Vietnam War and repealed before its end are the aforementioned. Therefore, option (d) is correct.
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