Final answer:
The author refers to her parents' marriage in 'A Quilt of a Country' as a metaphor for American unity amidst diversity, resembling the patchwork of a quilt.
Step-by-step explanation:
In the article A Quilt of a Country, the author mentions her parents' marriage to illustrate a point about the unity and diversity within American society. The marriage serves as a metaphor, showing how two individuals from differing backgrounds, like disparate pieces of fabric, can come together to form a strong, cohesive unit, much like a quilt. The concept of marriage here symbolizes connection, unity, and the creation of something new and beautiful from various elements, an analogy for the American experience.