Final answer:
The correct order of events is Gulf of Tonkin Resolution, Tet Offensive, Operation Rolling Thunder.
Step-by-step explanation:
The correct order of the events from earliest to latest is Gulf of Tonkin Resolution, Tet Offensive, Operation Rolling Thunder, which is option B.
The Gulf of Tonkin Resolution was passed on August 7, 1964, giving President Lyndon Johnson permission to retaliate against North Vietnamese attacks and to act first to defend U.S. lives. The Tet Offensive occurred on January 30, 1968, when the Vietcong and North Vietnamese forces launched a massive surprise attack in South Vietnam. Operation Rolling Thunder was a sustained bombing campaign by the U.S. against North Vietnam, which started in March 1965.