The answer is D. Tom thumb
Answer:
B. It demonstrated Western Europeans' growing fears about the spread of communism.
Explanation:
Churchill described the Soviet threat as an "iron curtain." Clearly, he thought it was dangerous and pervasive. This was near the start of the Cold War tensions, so we can be sure that A and D are not correct. At this point, capitalism and communism are rallying their forces for defense or attack. And C doesn't make sense, because Churchill does not reference or imply nuclear power in any context in this quote.
The happenings at the second half of the 20th century paved way for a new conservatism movement. The American people at that time thought that "liberalism had gone too far" which could mainly be attributed to the rise of the civil rights movement and the course of the Cold War.