Answer:
Option: C. Stated if Vietnam fell to the Communists, then the rest of Asia would become Communist.
Explanation:
Before the Vietnam war, the United States was very much concern about the spread of Communism in Asia, as they gave it a term of Domino theory. The domino theory was a theory raised extensively in the 1960s. The plan stated if one nation came under communism, then the surrounding countries would become communist. The Domino effect came as a foreign policy during the Presidency of Kennedy and Johnson to support America's military involvement in the Vietnam War.
1. Africa, Asia, North America, South America, Australia, Europe, Antarctica
2. Asia
3. Australia
4. South America
5. Asia
6. Europe
7. Atlantic
8. Brazil
9. France
10. Himalayas, Alps, Appalachian
11. 48° N, 2° E
12. 33° S, 18° E
13. Mediterranean
14. Mississippi River
15. Arabian Desert
16. Great Wall of China
17. Macchu Picchu (?)
18. China
19. Nile
20. Yangtze/Yangzi
Answer: Southwest Asia
Explanation: I took the test. good luck!