Final answer:
The central idea of the paragraph is that America remains a united country despite its cultural differences.
Step-by-step explanation:
The central idea of this paragraph in the excerpt from "A Quilt of a Country" is that despite America's cultural differences and diverse population, it remains a united country. The author emphasizes the interconnectedness and interdependence of the various cultural groups within the nation, highlighting examples such as Arab and Jewish cabbies chauffeuring passengers from different backgrounds. The paragraph suggests that even though there are divisions and hostilities, America defies the norm by remaining impossibly interwoven and united.
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