The correct era is A. The era's counterculture.
The counterculture during the 1960's was a product of the beatnik generation that developed during the 1950's. These individuals did not believing into conforming to cultural norms such as religion, gender specific responsibilities, working a "9-5" job, etc. This counterculture continued to develop in the 1960's and focused on other elements of society as well. This counterculture went against the Vietnam War and many became draft dodgers due to their convictions.