Eisenhower was a war hero, he was the mastermind of war for America. Already knowing that, when soviets began to make and test fire nuclear weapons, the people began to turn to an experienced veteran to save them. This being the president. The people and congress gave him more power knowing that he knew what to do in a war like situation. <span />
The answer is A) Biased accusations. McCarthyism has its origins in the Red Scare, where many Americans were accused of being involved with communism without much evidence and exaggerated claims.