Which of the following helped lead to U. S. economic growth in the 1950s

One of the factors that fueled the prosperity of the '50s was the increase in consumer spending. The adults of the '50s had grown up in conditions of economic deprivation, first due to the general poverty of the Great Depression and then due to the rationing of consumer goods during World War II.

Explanation:

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the correct answer is:   the domino theory states that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.