What led to the popularity of rock n' roll music in the 1950s?
invention of the radio
increase in the status quo
teenage consumerism
improvement of the highway system

The correct answer is C) teenage consumerism.

What led to the popularity of rock n' roll music in the 1950s was teenage consumerism.

The radio was invented in the 1920s, so it already was the most popular mass media. So what happened was that teenagers started to listen to radio hits from artists such as Chuck Berry, Little Richard, and Jerry Lewis and started to buy their records. When Elvis Presley was launched as a rock and roll artists, its presence and style of dance, denotated rock & roll in a massive way. People began to attend rock and roll shows and spend money in their favorite artists.

what are local authorities doing to fix the problem

explanation:

operation overlord was the codename for the battle of normandy, the allied operation that launched the successful invasion of german-occupied western europe during world war ii. the operation was launched on 6 june 1944 with the normandy landings