The domino theory was a theory prominent from the 1950s to the 1980s that posited that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.
A domino effect or chain reaction is the cumulative effect produced when one event sets off a chain of similar events. The term is best known as a mechanical effect and is used as an analogy to a falling row of dominoes.
So the answer is the last one, “<u>It was the idea that if one nation fell to communism, others would soon follow the example</u>.”
Answer:
United States is about 353 times bigger than Burundi. Burundi is approximately 27,830 sq km, while United States is approximately 9,833,517 sq km, making United States 35,234% larger than Burundi. Meanwhile, the population of Burundi is ~11.9 million people (320.8 million more people live in United States).
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