The Tramp energy depicting people in their working lives.” “Though there had been films depicting the lives of immigrants and urban workers, no filmmaker before Chaplin had created their experience so humanly and lovingly.” Chaplin used not one but two similar-looking characters to the Tramp in "The Great Dictator" (released October 15, 1940); however, this was an all-talking film (Chaplin's first). The film was inspired by the noted similarity between Chaplin's Tramp (most notably his small mustache) and that of German dictator Adolf Hitler. Chaplin used this similarity to create a dark version of the Tramp character in parody of the dictator.
Charlie Chaplin over the making of his pictures. "A Dog's Life", released April 1918, was the first film under the new contract. In it, Chaplin demonstrated his increasing concern with story construction and his treatment of the Tramp as "a sort of Pierrot". The film was described by Louis Delluc as "cinema's first total work of art". Chaplin then embarked on the Third Liberty Bond campaign, touring the United States for one month to raise money for the Allies of the First World War. He also produced a short propaganda film at his own expense, donated to the government for fund-raising, called