Complex sentence: She made her film debut in 1926's "The Skyrocket", which provoked the Wisconsin state legislature into introducing a bill that would allow for the censorship of all movies entering the state; in any event, the film was a box office failure.
Split into simpler sentences: She made her film debut in "The Skyrocket" (1926), which provoked the Wisconsin state legislature into introducing a bill to allow censorship of all movies entering the state. In any event, the film was a box office failure.