Charlie Chaplin use ("Easy Street", 1917). He often explored these topics ironically, making comedy out of suffering. Social commentary was a feature of Chaplin's films from early in his career, as he portrayed the underdog in a sympathetic light and highlighted the difficulties of the poor. Later, as he developed a keen interest in economics and felt obliged to publicise his views, Chaplin began incorporating overtly political messages into his films. "Modern Times" (1936) depicted factory workers in dismal conditions, "The Great Dictator" (1940) parodied Adolf Hitler and Benito Mussolini and ended in a speech against nationalism, "Monsieur Verdoux" (1947) criticised war
Charlie Chaplin and machinery in the workplace would increase unemployment levels. It was these concerns that stimulated Chaplin to develop his new film. "Modern Times" was announced by Chaplin as "a satire on certain phases of our industrial life." Featuring the Tramp and Goddard as they endure the Great Depression, it took ten and a half months to film. Chaplin intended to use spoken dialogue but changed his mind during rehearsals. Like its predecessor, "Modern Times" employed sound effects but almost no speaking. Chaplin's performance of a gibberish song did, however, give the Tramp a voice for the only time on film.