Answer:
The answer to question 3 is "False".
The wizard of Oz wasn´t the first talking movie.
Explanation:
The first talking movie was made by Warner Bros and released on October 6, 1927. It was called "The Jazz Singer" and was directed by Alan Crosland. The film alternated the voice and songs of its protagonist and it also included subtitles.
In this film the Vitaphone synchronized sound recording system was used, which Warner developed with the collaboration of the Western Electric company.
