Answer:
Gulf of Tonkin Incident. The Gulf of Tonkin Incident, also known as the U.S.S. Maddox incident, marked the formal entry of the United States into the Vietnam War. “In the summer of 1964 the Johnson administration was laying secret plans for an expansion of U.S. military involvement in Vietnam
Combatants: Soviet Union, China, South Vietnam
Includes event: Gulf of Tonkin incident
Explanation:
Hope this answer helps you :)
Have a great day
Mark brainliest
