Which statement best describes the domino theory
a. communism must be stopped domestically using pro-democracy propaganda
b. wars can be won only with multiple battle fields
c. if the united states spread democracy to one nation it would spread to other nations
d. a communist victory in one country could lead to the spread of communism to other country

D

Explanation:

After the second World War, and the splitting of Germany, the threat of communist expansion, especially in Korea and later Vietnam and nearby countries caused the development of domino theory in American geopolitics to justify international involvement, in order to halt the process early.

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explanation:

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yes

explanation:

the fighting words doctrine, in united states constitutional law, is a limitation to freedom of speech as protected by the first amendment to the united states constitution. in 1942, the u.s. supreme court established the doctrine by a 9–0 decision in chaplinsky v. new hampshire.