Answer:
Explanation:
The domino theory applied in Vietnam in that the reason for the US involvement was to prevent communism from spreading. The concept of the domino theory was that if one nation fell to communism, so would the surrounding nations. In the case of Vietnam, the US failed to prevent communism.
A or c i think
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Yeah it is b. Alexander the great spreading culture to the west is a long lasting affect the greeks had on the world