What is the relationship between foreign involvement in Korea and Vietnam in the 1950s – 1970s, and the Domino Theory?

Question 1 options:

a)

The Domino Theory states that if one country became a democracy, its neighbors would become democratic as well. Great Britain became involved in India in order to support the spread of democracy.

b)

The Domino Theory states that if one country fell to communism, its neighbors would fall to communism as well. Great Britain became involved in India to stop the spread of communism.

c)

The Domino Theory states that if one country became a democracy, its neighbors would become democratic as well. The United States became involved in Korea and Vietnam in order to support the spread of democracy.

d)

The Domino Theory states that if one country fell to communism, its neighbors would fall to communism as well. The United States became involved in Korea and Vietnam to stop the spread of communism.