What invention most increased the influence of films on culture and society in the twentieth century?
A. the addition of newsreels
B. the creation of feature-length films
C. the innovation of sound
D. the cinematograph
C. the innovation of sound
The introduction of sound in films revolutionized the movie industry and had a major impact on culture and society. With the ability to include dialogue, music, and sound effects, films became more immersive and engaging for audiences. Sound also allowed for greater storytelling possibilities and the development of new genres like musicals and action films. This innovation greatly increased the influence of films on culture and society in the twentieth century.