Front

What theory did the United States subscribe to regarding the spread of communism?

Back

Domino Theory

Front

What was the reaction of President Johnson to the Gulf of Tonkin incident?

Back

He quickly asked Congress to respond

Front

What was the role of the Soviet Union in the Vietnam War according to the text?

Back

Supporter of North Vietnam

Front

What was the main reason for the United States' concern about a communist victory in Vietnam?

Back

It could lead to communist victories in other Southeast Asian countries

Front

What was the average age of an American soldier in Vietnam?

Back

Nineteen

Front

What was the duration of the Vietnam War?

Back

20 years

Front

What was the purpose of using defoliating agents like Agent Orange?

Back

To remove jungle cover

Front

What was a common issue faced by returning Vietnam War veterans?

Back

Post-traumatic stress disorder (PTSD)

Front

What was the significance of the Ho Chi Minh Trail?

Back

It was a major supply route.

Front

What was the Gulf of Tonkin Incident?

Back

An attack on American ships that led to increased U.S. involvement in Vietnam