Rolling Thunder
Gulf of Tonkin Incident
Diem’s Assassination
Arrival of US Troops
Political Instability
100

What was Operation Rolling Thunder?

A sustained US bombing campaign against North Vietnam.

100

What was the Gulf of Tonkin Incident?

A reported attack on US ships by North Vietnam in 1964.

100

Who was Diem?

He was the President of South Vietnam.

100

When did US troops arrive in Vietnam in large numbers?

1965.

100

What does political instability mean?

A situation where a government is weak, unstable, or frequently changing.

200

When did Operation Rolling Thunder begin?

1965

200

Which country claimed its ships were attacked?

The United States.

200

Why were many people unhappy with Diem’s government?

Because it was corrupt, repressive, and unpopular, especially in rural areas.

200

Why did the US send troops to Vietnam?

To support South Vietnam and stop the spread of communism.

200

What happened in South Vietnam after Diem’s death?

 There were several coups and weak governments.

300

Why did Operation Rolling Thunder begin?

To weaken North Vietnam and stop support for the Viet Cong.

300

Why was the Gulf of Tonkin Incident important for US involvement?

It led to increased US military action in Vietnam.

300

Why did Diem’s assassination create problems in South Vietnam?

It led to unstable governments and weakened South Vietnam’s ability to fight the Viet Cong.

300

How did the arrival of US troops change the war?

It escalated it into a full-scale war with direct US combat involvement.

300

How did political instability affect South Vietnam’s ability to fight the Viet Cong?

It weakened coordination, leadership, and military effectiveness.

400

Did Operation Rolling Thunder help or harm US efforts in Vietnam? Explain

It largely harmed US efforts because it failed to stop North Vietnam and increased resistance.

400

How did the Gulf of Tonkin Incident increase US military involvement in Vietnam?

It led to the Gulf of Tonkin Resolution, giving the US president power to escalate the war.

400

How did Diem’s assassination contribute to the escalation of the Vietnam War?

It created political instability, allowing the Viet Cong to grow stronger and increasing US involvement.

400

Why did the US escalation continue even after sending troops?

Because they believed increasing military force would defeat the Viet Cong.

400

How did political instability help the Viet Cong gain strength?

It created confusion and made it easier for the Viet Cong to recruit and operate in rural areas.

500

Was Operation Rolling Thunder an effective strategy for the US?

No, because it did not achieve its goals and strengthened North Vietnamese determination.

500

Was the Gulf of Tonkin Incident the main turning point in the Vietnam War? Explain.

Yes, because it gave legal approval for large-scale US military involvement, although other factors also contributed.

500

To what extent did Diem’s assassination lead to full US involvement in Vietnam?

It was a major factor because it caused instability, but US escalation also depended on Cold War tensions and fear of communism.

500

How far did early events after 1963 make US intervention unavoidable?

They made it highly likely due to instability and fear of communism, but escalation still depended on US policy decisions.

500

Which factor was most important in escalating the Vietnam War: political instability or US intervention? Why?

US intervention, because it escalated the conflict into a major international war, though instability made intervention more likely.