Final answer:
Chick-fil-A has steadily grown to become one of the largest and most successful fast-food chains in the United States, with a significant number of restaurants in 39 states and Washington, D.C.
Step-by-step explanation:
Chick-fil-A is one of the largest fast-food chains in the United States, with restaurants in 39 states and Washington, D.C, reflecting the expansion and influence of U.S. retail brands globally.
This growth is indicative of the broader trend that sees U.S. brands like Walmart expanding globally, influencing cultural attitudes and fashions. According to Statistica.com, the number of restaurants in the U.S. has been meticulously tracked, highlighting the prominence and saturation of quick-service and full-service restaurants across the country.