Abstract
They built the American way of life based on large consumption and developed a new way of life with vehicles, Medias and home equipment that created high standards of living. Taylorism is implemented in plants and Ford added new procedures like organization of work in 1908 and launched the famous Ford T. America invented mass production, and the future was good. They dominated economically, militarily and politically the world, by their innovation, reduction of unemployment and increscent of power of purchase which made analyst and investors too self confident. No one is in those times expected that one Thursday in Wall Street would lead to a worldwide crisis which is guilty of preparing the field for the Second World War. In this study, we are going to show the reasons, consequences and the economic and political aspects of the crisis that affected the entire world impacting the political choices of those countries.
