original_query: How did the Ku Klux Klan contribute to the foundation of the film industry?
query: How did D.W. Griffith's film contribute to the foundation of the film industry?
answer: D.W. Griffith's 1915 film, *The Birth of a Nation*, used racist propaganda to promote white supremacy and is considered to have fueled the resurgence of the KKK.  The film's success significantly shaped the early film industry.