Final answer:
Rock and roll music was met with resistance and controversy due to its association with youth culture and racial integration. It had a significant impact on social and racial dynamics in the 1950s.
Step-by-step explanation:
The true statement about the emergence of rock and roll music as part of the 1950's popular culture in the US is option C) Rock and roll music was met with resistance and controversy due to its association with youth culture and racial integration.Rock and roll had a significant impact on social and racial dynamics during that time. It brought together black and white teenagers, who interacted socially and broke barriers of prejudice. The music was initially associated with African American musicians and was later adopted by white musicians like Elvis Presley.This controversy, resistance, and cultural impact made rock and roll an important part of the 1950's popular culture in the US.