The First World War is the watershed of American history. After World War I,American economy enjoyed a period of great prosperity. It not only brought great material wealth to the United States,but also changed women there in terms of their spirit. Fitzgerald’s The Great Gatsby,set in early 1920s,shows a theme of how the American dream affects all the characters depicted in the novel. Many professional women in the 1920s became independent and started to pursue their individual happiness. Jordan in The Great Gatsby is representative of such women who are capable of using their own hands to work and living desired lives of their own.