Which writer satirized the narrow minded complencey and dullness of small town America in their book Main Street?

The writer who satirized the narrow-minded complacency and dullness of small-town America in their book Main Street is Sinclair Lewis.

Published in 1920, Main Street became a critical and commercial success, sparking controversy and debate about the nature of American life. Lewis's portrayal of the town of Gopher Prairie, Minnesota, and its inhabitants, was a scathing indictment of the stifling conformity and intellectual stagnation he perceived in many small towns across the country.