Se la especificó....qual palabra
I feel like agree with (B) much more because in the question it states that the quote has to show the "cultural complexity" of the genre meaning that its not as static as it was before as mentioned in question A. , but how it evolved over-time thus becoming more complex : branching out into different ideas of race and class .
Answer:
B. The first paragraph discusses the idea that Americans are united as one despite their differences. The second paragraph discusses the idea that acts of intolerance make it difficult to believe that Americans are united as one.