The document provides an overview of the International Style, an architectural style that emerged in the 1920s-1930s. It describes the key characteristics of International Style buildings as having rectilinear forms, light plane surfaces stripped of ornamentation, and open interior spaces. The document discusses some of the major proponents of the style, including Walter Gropius, Mies van der Rohe, and Le Corbusier. It also analyzes some important works representative of the International Style, such as Gropius's Fagus Factory, Mies's Farnsworth House, and Le Corbusier's philosophies on architecture.