Since the U.S. was fighting against communist nations in WW ll, I'd say answer A.
That was when the U.S. first realized how dangerous communism is, since the whole nation in a sense follows the wants of one man.
Fighting against Hitler, Mussolini, and the other guy (I can't remember who it was) really opened America's eyes to the horrors of communism, which is why they decided to strengthen the Democratic side of America.
I believe answer A. is correct.
In what is known as The Great Migration, large numbers of African Americans moved from the rural south to northern cities, beginning in the early twentieth century. What motivated this large-scale movement?
job openings due to industrial growth in northern cities
I believe the answer is <span> rock festivals that became popular toward the end of the decade..
The rock festivals is the equivalent of the tech crunch disrup in tech field. In the rock festival, artists with various style, instruments, and social group could come and express their artistic identity.</span>
After the Iranian Revolution of 1979 brought the Ayatollah Khomeini to power, which caused a reaction. Fundamentalist Islamic Sharia law was infused into Iranian government policies and <span>Muslim countries rejected and suppressed Islamic fundamentalists.</span>