What 1920s trend focused on individual experiences emotions and the expression of personal freedom?

The 1920s trend that focused on individual experiences, emotions, and the expression of personal freedom was the "Lost Generation." This term refers to a group of American writers who rejected traditional values and social norms, seeking to express their disillusionment after World War I through their work. Key figures of the Lost Generation include Ernest Hemingway, F. Scott Fitzgerald, and Gertrude Stein.