In "One Summer: America, 1927," Bill Bryson highlights the dominant role of the United States in global production during that era. He notes that a staggering 42 percent of the world's output came from the U.S., indicating the country's pivotal economic influence. This period marked a significant time of growth and innovation, particularly in the entertainment and automotive industries.

Bryson emphasizes that the United States was responsible for 80 percent of the world's movies and 85 percent of its cars, showcasing its cultural and technological leadership. This impressive output contributed to shaping not only American society but also global trends, setting standards that would influence countless aspects of life worldwide.