Why did the movie industry begin to censor films under Motion Picture Producers and Distributors of America president Will H$.$ Hays?

Group of answer choices

because many communities were threatening to set up local censorship boards that might have inconsistent standards

because talking films seemed much more explicit to audiences than silent films had

because Hollywood wanted to be responsible and not produce films that would lead to immoral behavior

because actors and actresses had protested against having to do explicit scenes in films