The document discusses several art movements that emerged in the post-World War 1 years between 1919 and 1939, including Dadaism, Bauhaus, Art Deco, and early Surrealism. It provides background information on the founding principles and key figures of each movement, and highlights representative artworks produced during these periods that helped define the stylistic innovations of modernism. The art movements reflected a rejection of tradition in favor of individual expression and incorporated new techniques like collage that emerged as responses to the turmoil of the war and changing social values.