The group best characterizes the counterculture of the 1960s and 1970s is group A.
What is counterculture?
A counterculture is a group of people whose values and behavior norms differ significantly from those of mainstream society.
They are sometimes radically opposed to dominant cultural norms.
A countercultural movement encapsulates the ethos and goals of a particular group of people within a given time period.
Thus, the group A is the best characterization.
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