The Gulf of Tonkin Resolution was significant because it gave President Johnson the power to use military force in Vietnam.
The Gulf of Tonkin Resolution was a joint resolution of the United States Congress passed in August 1964 that authorized the president to take all necessary measures to defend against attacks on American forces in Vietnam.
This gave President Johnson the power to use military force in Vietnam. The Gulf of Tonkin Resolution allowed Johnson to escalate the United States’ military involvement in the Vietnam War without seeking a formal declaration of war from Congress.
The resolution was repealed in 1970, but the Vietnam War continued for several more years before coming to an end.
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