For many reasons,the 20 th century has witnessed drastic changes happening in various aspects of human society. Changes were initiated by the need for capital accumulation and resulted in a large-scale reconstruction of the world market. Trans-national entrepreneurs and various world organizations reduce “barriers to the free flow of goods, workers,and investments across national borders ” (Burbules & Torres,2000:14). A global market has been underway,with a strong incentive for economic competition.展开