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.
Https://www.whitehouse.gov/about-the-white-house/presidents/
Check this link hope this help
Answer: Province Day
Explanation: Commonly known holiday in Ecuador. Next time instead of saying the question in spanish use "Spanishdict.com" to translate to English. People wouldn't understand that you are asking what they celebrate on the 12th of February in Ecuador.
(La próxima vez, diga la pregunta en inglés)