The document summarizes several social changes that occurred in the 1920s, including the rise of jazz culture during the Roaring Twenties, influential modernist literature from authors like T.S. Eliot and F. Scott Fitzgerald, the Harlem Renaissance which saw a flowering of African American artistic expression, breakthroughs in science from figures like Marie Curie and Albert Einstein, and the development of new visual art styles like Cubism, Abstract art, Dada, and Surrealism.