I believe the word stories help you wundestand the meaning
Whitman wanted to express that America is a country constituted by several parts that make a whole that works well. Each individual of the country doing their part is what forms the nation.
A choir is a group of people in which each one has a part to sing that might not be special on their own but form a harmony when they are sung together,
My favorite color is black because it goes with every color, and black can express many emotions like sadness, anxiety, depression, loneliness, anger, and sometimes even lust.
Option B is the correct option hun :)
Hyperbole because he is not actually a black sheep.