Identifying Key Events of the Counterculture Movement

In the years following World War II, the counterculture movement in the United States emerged as a response to various societal issues, including civil rights, environmental concerns, and the Vietnam War. Prominent figures within this movement inspired social change through music, art, and activism, often advocating for peace and love over materialism and conflict. Understanding the key ideologies, symbols, and prominent figures of this era is crucial to grasp the broader impacts of the counterculture on American society.

Which of the following events is most closely associated with the counterculture movement of the 1960s?