Legitimacy, Equality, Freedom, Independence. The list goes on.
In "A Quilt Of A Country", Quindlen's point in comparing present-day New York with Philadelphia in her father's time is that in America, there is a clinging to the ethnicity, in background and custom, that has undermined the concept of unity. In her father's time in Philadelphia, Jewish boys would walk several blocks out of their way to avoid the Irish divide of Chester Avenue. I hope this helps.
The correct answer is C. eliminate redundancies.
A wordy sentence contains a lot of words and is very long. If you want to shorten that sentence, you will have to read it carefully and look for words that are repeated, or have similar/same meanings, or are just unnecessary because they don't contribute to the sentence. When you eliminate those redundancies, you will fix your lengthy sentences.
The answer is C. tear down the stone wall and get to know his neighbor better
The narrator seems to question why they need a wall but his neighbor doesn't feel the same and says the famous line "good fences make good neighbors"