B A protagonist is the main character in the story (Mostly the good guy as my teachers told me)
Based on your options, I can assume the underlined phrase is <em>which is often called the Stars and Stripes, </em>even though you didn't actually underline anything. Anyway, the correct answer here is that the phrase is a nonessential adjective clause.
Nonessential clauses, as the name itself says, are not that relevant for the meaning of the entire sentence. If you omit that clause, the meaning won't change, whereas an essential clause cannot be omitted. Additionally, nonessential clauses are separated from the rest of the sentence by commas, which is the case here.
Answer:
List the examples of important details the author chose to include.
1) looks like
2) something or
3) they went through
4) long sentences and
5) how rough the seas were
6) They can't show
The information the author of the Odyssey chose to omit were :
1) The creator did not move into element about the cyclops because he's harmed, which would upload a unhappy tone if the cyclops is liked.
2) Details of Odysseus' men had been not introduced because their loss might be lots greater devastating.
3) No info of the sheep had been blanketed because it would get rid of the exhilaration and sense of journey.
The second one, the old man shook his fist and shouted malevolently at the boy who broke his window.