The entire poem uses an extended poem by implying the comparison between seemingly unlike things. In this metaphor, the captain is Lincoln, the voyage is the war and the ship represents the US
ughh i love that book and your answer is B
I believe the correct answer is C) predicate nominative, because that follows a linking verb (in this case, ISN'T), and is the first noun after that following verb, which is 'Stallion'.
