<span>A. Many people took out risky loans that could only be repaid if stock prices continued to rise. (apex)</span>
Red Scare was the name given to the widespread fear of suspected Communists and radicals in the United States after World War I. The correct option among all the options given in the question is option "A". The first Red Scare happened in the United States during the 20th century and the reason was hyper nationalism in respect to World War I.
Paul, after Christ's death, became one of the main reasons that the Roman empire converted to Christianity. He went on many long trips deep into the empire, preaching and spreading the religion. He and the other disciples affected so many people, that the Roman emperor Constantine made it legal to practice other religion in the empire. Eventually, because Paul started a chain reaction, and the emperor after Constantine, Theodosius, made the empire's main religion Christianity.
The correct answer is "B: Bay of Pigs".
The other 3 options all belong to foreign policy efforts made by the US in the Middle East. However, the Bay of Pigs invasion was a military attempt that occurred in April 1961, with the purpose of invading Cuba and overthrowing the Communist government led by Fidel Castro. This issue differs from the other regarding the political landscape and, particularly, the geographic location, as Cuba is located in the Caribean and not the Middle East.