The given passage above is actually quoted from MartIN Luther King Jr.'s "Letter From Birmingham Jail" in 1963. The author's purpose for including this sentence is that, the author wanted to convey to the reader that s<span>egregation must end immediately. Hope this answers your question.</span>
i believe the answer is
a) it has 14 lines
and
b) it is written in iambic pentameter
hope this helps:)