Satire (1922), "Elmer Gantry" (1927; dedicated by Lewis to H. L. Menchen), and "It Can't Happen Here" (1935), and his books often explored and satirized contemporary American values. The film "The Great Dictator" (1940) by Charlie Chaplin is itself a parody of Adolf Hitler; Chaplin later declared that he would have not made the film if he had known about the concentration camps. In the United States 1950s, satire was introduced into American stand-up comedy most prominently by Lenny Bruce and Mort Sahl. As they challenged the taboos and conventional wisdom of the time, were ostracized by the mass media establishment
Charlie Chaplin series of controversies, both in his work and in his personal life, which changed his fortunes and severely affected his popularity in the United States. The first of these was his growing boldness in expressing his political beliefs. Deeply disturbed by the surge of militaristic nationalism in 1930s world politics, Chaplin found that he could not keep these issues out of his work. Parallels between himself and Adolf Hitler had been widely noted: the pair were born four days apart, both had risen from poverty to world prominence, and Hitler wore the same toothbrush moustache as Chaplin. It was this