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 in January 1921 with instant success, and, by 1924, had been screened in over 50 countries. Chaplin spent five months on his next film, the two-reeler "The Idle Class". Following its September 1921 release, he chose to return to England for the first time in almost a decade. He then worked to fulfil his First National contract, releasing "Pay Day" in February 1922. "The Pilgrim" – his final short film – was delayed by distribution disagreements with the studio, and released a year later. Having fulfilled his First National contract, Chaplin was free to make his first picture as an