Answer: The answer is given below
Step-by-step explanation:
United States possess a string music culture and while discussing the genres of music in the country, Rock and Roll is held in high esteem and can't be displaced as it is popular and also part of America's history and culture.
During Scond World War, the resources that the country had were being kept for the war. Also, the bands in the country got smaller due to the difficulties involved in moving from one place to another by the large bands. This led to new genre of music which brought about the rock and roll.
Furthermore, teenagers wanted a particular genre of music that talked about youth and characterized their feelings as they felt some sort of disconnection between them and their parents.