The correct answer is B. America is a united country despite its cultural
differences.
Explanation:
In the excerpt, the author states in the U.S. there are important cultural differences and conflicts, this is exemplified in statements such as "which one part seems to be always on the verge of fisticuffs with another, blacks and whites..." However, despite this conflicting diversity, the author explains the U.S. is a united country, this is stated in "but not this one, impossibly interwoven even in its hostilities" that shows in other countries these differences would lead to divisions but in this one unity prevails.
