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 lash out at his actors and crew. Chaplin exercised complete control over his pictures, to the extent that he would act out the other roles for his cast, expecting them to imitate him exactly. He personally edited all of his films, trawling through the large amounts of footage to create the exact picture he wanted. As a result of his complete independence, he was identified by the film historian Andrew Sarris as one of the first auteur filmmakers. Chaplin did receive help, notably from his long-time cinematographer Roland Totheroh, brother Sydney Chaplin, and various assistant directors such as Harry Crocker