Final answer:
The period where teens and their parents separated music, fashion, and ideals can be traced to the 1960s and 1970s during the cultural revolution and counterculture movement.
Step-by-step explanation:
The period where teens and their parents separated music, fashion, and ideals can be traced to the 1960s and 1970s. During this time, there was a cultural revolution and counterculture movement that challenged the social norms of the previous generation. Young people embraced alternative cultures, such as the hippie movement, and sought to distance themselves from the values and ideals of their parents. This period saw the rise of rock 'n' roll, which became a symbol of rebellion and freedom for many teenagers.