Answer:
The new cultural developments accompanied the prosperity and suburbanization of the 1950s are Rock and Roll music, Television, and Movies or Film (Hollywood) developments.
Step-by-step explanation:
With the Rock and roll music, the American teens quickly adapted to the style of music due to its young love and freedom themes it reflects, as against the oppression of middle-class society. It was a popular hits on radio during this period
It was reported that more than 68 percent of the music played on the radio in 1956 was rock and roll
With the Television, different forms of programs were broadcast on the handful of major networks: such as comedies, variety programs, game shows, soap operas, talk shows, medical dramas, adventure series, cartoons, and police procedurals.
Through Hollywood as well, Movie makers tried new techniques, like CinemaScope and Cinerama, this give ways to movies to be shown on large screens and in 3-D.
Different types of audiences such as both young and old were attracted to movies because of what it offers, for the adult, it is the stories they told such as dramas and romantic comedies while for the young, it is genre like horror and action films