The improvement of the roads is best visualized as a long-term effect of the increased popularity of cycling, the correct option is B.
"Wheels of Change examines how the bicycle took America by storm in the 1880s and '90s, with a focus on how it changed women's lives."
It also delves into the era's bicycle culture with short features that appear after each chapter and highlight the impact of the two-wheeler on everyday life.
The improvement of the nation’s roads is best characterized as a long-term effect of the increased popularity of cycling.
Thus, the correct option is B.
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