What is the nickname given to Chicago in Carl Sandburg's poetry?

Chicago is often referred to as the "City of the Big Shoulders" in the poetry of Carl Sandburg. This nickname captures the robust and hardworking character of the city, as Sandburg's work frequently emphasizes the strength and resilience of its inhabitants. The phrase not only highlights the physicality associated with labor and industry in early 20th century Chicago but also symbolizes the city's role as a place of opportunity and grit. Sandburg's poetry paints a vivid picture of urban life, with imagery that conveys both the challenges faced and the tenacity exhibited by its people, making this nickname particularly fitting.