Since the beginning of cinema, movies have functioned not only as a form of entertainment, but also as a tool of political persuasion. Some films have been used successfully as means of disseminating propaganda, while others aimed to affect political change. Filmmaker Zbigniew Banas examines the evolving nature of political cinema and its power to capture the audience's imagination through carefully tailored storytelling. He also addresses some inherent limitations of filmmaking, including "preaching to the choir."