Assuming we're just looking at this phrase, "learn'd" suggests that the astronomer studied to become intelligent in the astronomical field.
Answer:
A) There is a market for stolen dogs to be used for labor in the North.
Explanation:
They said that buck does not read the newspapers so I am assuming buck is a dog and that they are trying to say that there is a market for stolen dogs in the North
Answer:
commas are needed before coordinating conjunctions, after dependent clauses
Answer:
B. the rhythm of the lines
Explanation:
According to the given poem "White Eyes", the line breaks in between the stanzas are there to insert a pause from the final word to the start of a new line which sets the rhythm of the poem.
Therefore, if the poet broke the lines, it would change the rhythm of the lines.