The Counterculture Movement means a serial of protestant movements,especially the remonstration against war and the mainstream culture, which was registered by the American young people in the 1960s. This movement not only included the “political revolution”, such as Women's Liberation Movement, the Black Civil Rights Movement, Antiwar Peace Movement, and so on, but also included the “cultural revolution”, such as rock, drugs, sex, hippie, mysticism, and egoism. It started with the Californian government's cracking down the Free Speech Movement on campus in 1964,reached its climax in 1968, with the assassination of Martin Luther King and the escalation of Vietnam War, and ended with the evacuation of the American army from Vietnam in 1975. This movement caused a significant impact on the American society.Although the Counterculture Movement had many negative factors, such as decadent,crackers, vulgar and mysterious, which caused a bad effect on the youth, behind the decadent lifestyle, they had the motivated and raging dreams. Their spirits of seeking for the justice, desiring for freedom and peace became the precious treasures of American society. It is a fact to manifest the greatness of people's forces and encouraged people to fight against unfairness and discrimination.

本题考查美国的反主流文化运动。 可以从该运动的背景， 主要内容和影响三个角度进行分析。