Final answer:
McCarthyism arose from widespread anticommunist hysteria during the Cold War, fueled by unfounded accusations and fear-mongering.
Explanation:
McCarthyism was a result of the widespread anticommunist hysteria during the Cold War era in America. Senator Joseph McCarthy fueled fears of communist infiltration in the government through unfounded accusations, leading to a period of fear-mongering, demagoguery, and unfair tactics known as McCarthyism. This era saw the rise of tactics such as red-baiting and blacklists, impacting various aspects of society, from government officials to entertainment industry figures.
Learn more about McCarthyism here:
https://brainly.com/question/44295261
