Discussion

Explanation:

At the end of the third paragraph the writer makes the observation that “But for better or worse, the mall has been America’s public square for the last 60 years.” In the next paragraph, the writer goes on to explain how malls were not merely commercial places but  a place where, “for half of the 20th century and almost 20 years into the new one, much of America has found their agora on the terrazzo between Orange Julius and Sbarro, Waldenbooks and the Gap, Sunglass Hut and Hot Topic.”  The word ‘agora’ means ‘a gathering place or the market place of ancient Greece’. Option 1 is incorrect. It merely defines what a public place means. Eliminate option 1.
Option 2 is incorrect. Option 2 explains malls as merely a commercial venue which the middle class visited. Eliminate option 2.
Option 3 is incorrect. Families vising it did not make it a public place. Eliminate option 3.
Option 4 is correct. That malls were a great place for everyone to gather and interact is the reason why the author calls them America’s public square.
Hence, the correct answer is option 4.

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