 Thomas Cripps reasons that in some respects, the film undercuts racial stereotypes; in particular, the film created greater engagement between Hollywood and black audiences, with dozens of films making small gestures in recognition of the emerging trend.Only a few weeks after its initial run, a story editor at Warner wrote a memorandum to Walter Wanger about "Mississippi Belle", a script that contained the worst excesses of plantation films, suggesting that "Gone with the Wind" had made the film "unproducible".More than any film since "The Birth of a Nation", it unleashed a variety of social forces that foreshadowed an alliance of white liberals and blacks who encouraged the expectation that blacks would one day achieve equality.