Complex sentence: Later, in 1957, the Supreme Court gave the film industry even more freedom in "Roth v. United States", which held that movies could not be banned because they were not suitable for children if the movie was made for general audiences.
Split into simpler sentences: Later, in 1957, the Supreme Court gave the film industry even more freedom in Roth V. the United States. This case held that movies could not be banned because they were not suitable for children if the movie was made for general audiences.