The Levittown, Rock and roll, Television and Baby boom are developments that are most closely associated with the 1950s decade. Levittown is the name of 7 big housing expansions made in the USA by the company Levitt & Sons. Rock and roll is widespread music genre that was developed in the USA during the early 1950s following the American African music. The term Baby Boom is used to classify a huge births increase after the World War II.