Final answer:
New York City symbolized the new modern decade in the United States during the 1920s.
Step-by-step explanation:
During the 1920s, New York City symbolized the new modern decade in the United States. It was one of the booming cities where many people wanted to be, and it experienced significant changes in thinking and lifestyle during this time. As one of the urban centers that rose to prominence, New York represented the modernist, urban culture that was emerging in contrast to the more traditionalist, rural culture.