It is the income per man hour
The economy is the best answer because its the biggest factor worldwide.
Answer:
The answer is below
Explanation:
In 1950s , through Rock n Roll, many blacks or African American used the genre of music coupled with R&B to voice their opinions and advocate for civil rights movement.
Rock n Roll was characterized by its youthful and stylistic sound and dance, popularized by the likes of Elvis Presley, with his hip gyration. While it eventually pitted parents, the mass media, and the government against teenagers, it however, helped erode some of the prejudices felt towards African Americans.
Also, while the country and jazz hold sway before and early in the 1950s, the Rock and Roll music was able to trump them later, though dividing in some quarters, it became a uniting force among the youths and coloured people specifically blacks, and eventually was able to create a common culture amongst white and black teenagers, a feat other genres of music couldn't manage at the time.
