Final answer:
Rock 'n' roll music of the 1950s originated from African American rhythm and blues, blending with country music, causing controversy and breaking racial barriers.
Explanation:
Rock 'n' roll music of the 1950s originated from a blend of African American rhythm and blues and country music, with artists like Elvis Presley bridging the gap between white and black music styles. This new music style was embraced by teenagers, causing controversy among older generations who viewed it as rebellious and vulgar. Rock 'n' roll played a significant role in breaking racial barriers by bringing together black and white teenagers socially and culturally.
Learn more about Rock 'n' roll music of the 1950s here:
https://brainly.com/question/38770240
