The talking Mickey in “Steamboat Willie” was an instant success when it opened in 1928. However it might not have been successful if
A fellow animators Wilfred Jackson and Johnny Cannon hadn’t left Disney to work for Universal.
B Hollywood theatre owners hadn’t allowed musicians to play along with earlier silent films.
C Cinephone’s Pat Powers and distributor Harry Reichenbach hadn’t taken a chance on Disney.
D the Colony Theatre in New York City hadn’t already been showing films with sound for many months.