What was Walt Disney's first full-length animated feature film?

Which Disney film features the song "Under the Sea"? Which Disney film features the song "Be Our Guest"? Which Disney film features the song "A Whole New World"? Which Disney film features the song "Circle of Life"? In what year was 'Snow White and the Seven Dwarfs' released? What was the first feature-length 'talkie' film with synchronized dialogue, released in 1927? Which film won the first Academy Award for Best Picture (then called Outstanding Picture)? What is the name of the golden statuette awarded at the Academy Awards?