How could the woodstock music and art fair serve as a symbol for the period?

a. it epitomized the move toward hallucinogenic drugs that
characterized the 1970s.
b. it marked the end of the counterculture era of the 1960s.
c. it included a number of performers who would be headliners in the
1970s, including michael jackson and elvis presley.
d. its focus on social action presaged the social reform movements of
the 1970s.

The correct option is option B. Woodstock Music and Art Fair served as a symbol by marking the end of the counterculture era of the 1960s.

Woodstock was a music festival held on a farm in the Catskill Mountains, northwest of New York City, between August 15–18, 1969, which attracted an audience of more than 400,000 and where 32 acts were performed outdoors.

It was described as a spectacular event that made real all the things that hippies believed in; peace, music, harmonious living, and an abundance of acid. Becoming the place where hippies finally had the chance to be a part of an entirely Utopian society and where counterculture, which was defined as the anti-establishment cultural phenomenon that developed first in the United Kingdom, then the United States and then spread throughout the Western world between the mid-1960s and the mid-1970s reached its peak.

However, although after Woodstock hippies still protested, had orgies, and mandated Free Love, there was a lack of urgency in their fight. This because once it was reached the common goal for which they had been worked, Woodstock,  they felt fulfilled.

a

explanation:

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a best description that resulted a division among labor in the early farming communities in their period was there was a change in their society in terms of having social roles to develop and change that led complications and divisions in the society.