I would go with issues that contributed to the civil war.
Racism and Women's rights were a huge controversy during the civil war and the 15th amendment gives every one the right to vote, no matter what race, gender, or past slavery.
Sorry about the late answer!
Answer: 622 C.E.After enduring persecution in mecca, muhammad and his followers migrate to the nearby town of yathrib(later to be known as madina),where the people there accepted islam... eventually he begins to invite other tribes and nations to islam. 630 C.E.
Explanation:
I believe the answer is A. Because "Pop Culture" is the spread of a common culture that many people in the world no matter where they live can relate with. And as pop culture became more and more prevalent it seemed like the world was becoming a smaller place because of the shared interest within Pop culture.