refers to the all-powerful control the monopolistic film studios had over all aspects of assembly-line filmmaking and film production from the 1920s until the late 1950s, when chiefs - moguls (Mayer, Selznick and Zukor) ruled; tactics included the ownership of property, control of publicity and marketing, and iron-clad contracts with star-actors, directors, composers, cameramen, costume designers, writers, and producers.