Which building showcases Mies van der Rohe's influence on Mid-Century Modernism?

The Illinois Center is a reflection of Mies van der Rohe's influence on Mid-Century Modernism due to its embodiment of key principles that define this architectural style. Mies van der Rohe emphasized simplicity, clarity, and the integration of form and function. The Illinois Center showcases these principles through its clean lines, use of modern materials like glass and steel, and open spaces that prioritize light and transparency.

While other buildings listed also contribute to the architectural landscape of Chicago, the Illinois Center stands out as it directly invokes the minimalist aesthetic and spatial concepts championed by Mies van der Rohe. His impact on urban architecture is evident through the way the Illinois Center fits within its environment, reflecting his belief in the fusion of structure and its surroundings, which is a hallmark of Mid-Century Modernism.