Answer:
A. to avoid prejuidice because of their ethnic backrounds
Explanation:
... frustrations with how independence had led to situations where caudillos (authoritarian leaders) rose to power.
Bolivar had wanted a united Spanish America, a great nations, but the wars of independence had tended to result in charismatic military rulers leading their own countries in authoritarian ways -- what we today would call dictators.
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.