The answer is B) France and England
The event which had the greatest impact on the country during the Anti-Communist fear that gripped the United States was the sensational trials of some Americans (for example, Julius and Ethel Rosenberg) accused of espionage.
<h3>What was the anti-communist fear called?</h3>
The anti-communist fear was known as the Red Scare, later championed by Senator Joseph McCarthy.
Later the Red Scare was termed McCarthyism, following the unreasonable accusations against some individuals and groups, including communist or socialist sympathizers.
Thus, the sensational trials of some Americans had the greatest impact on the country during the Anti-Communist fears.
Learn more about the Anti-Communist Fears at brainly.com/question/3572098
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One of the ways in which the Crusades brought about the end of the Dark Ages in Europe was that they (by accident) opened up a variety of new trade routes, which led to increased travel and cultural diffusion. This was thought to be the "spark in the dark" as the Enlightenment.