“美国三部曲”是指意大利导演瑟吉欧.莱昂以美国近百年历史为背景拍摄的三部著名电影:《西部往事》《革命往事》和《美国往事》。《西部往事》表现19世纪末早期移民在美国的生活及其开发西部时的故事。《革命往事》以政治为背景,描写政治在美国的作用及美国与邻 “American trilogy ” refers to the Italian director Sergio Leone in the United States nearly a hundred years of history as the background of the three famous movie: “the past” “the past” and “the United States.” The Westward Past shows the lives of immigrants in the United States in the early 19th century and the story of their development of the West. In the context of politics, the “revolutionary past” describes the role of politics in the United States and its neighbors