The 1920's exemplified the changing attitudes of American's toward foreign relations, society, and leisure activities. The twenty years that fell between 1920 and 1940 were a time period that has shaped America not only because it is the darkest period in the countries history, but also because of how many lives were affected for the worst. Disillusionment and isolationism were beginning to shape parts of America by adding to the confusion that had taken place after the conclusion of WW1. This was seen not only economically, but socially as well. Americans, in the years following the end of World War I found themselves in an era, where they simply wished to detach themselves from the troubles of Europeans and the rest of the world. During the years of the Twenties, the economy was prosperous, there was widespread social reform, new aspects of culture were established, and people found better ways to improve their lifestyle. Overall, the people, released from the pressures of a war government enjoyed life. The 1920s and 1930s defined America as a period when the society that so longed to forget the war, that they were slowly transformed into a population where self-love was rampant, and the morals that America had been so tediously grasping to, fell away. Through the novels of The Great Gatsby by F. Scott Fitzgerald and The Sun Also Rises by Ernest Hemingway, the attitudes of disillusionment and isolation are seen in Americans are a direct outcome of the weakening of societies moral codes, and the death of the American Dream.The effect of the war on the general population was one of discontent and isolationary feelings towards the countries that had caused them to see the cracks within their dream of a peaceful existence. Following World War I, many Americans demanded that the United States stay out of European affairs in the future. The United States Senate even refused to accept the Treaty of Versailles, which officially ended World ...