Change has occurred along several major dimensions, First, with industrialization and the development of modern economies, including technological change and urbanization, the state has found it useful to intervene domestically in a variety of regulatory context. By the beginning of the twentieth century, we see the rise of the regulatory state in response to externalities, information problems, public goods, and other market failures. Second, with globalization, these interventions and the circumstances to which they respond often cross borders or affect the condition of cross-border competition. Furthermore, globalization has included greater industrialization of developing countries, increasingly involving poor countries in these concerns. Third, technological change, apart from its contribution to industrialization and globalization, has increased the need for international law to regulate technologies in order to limit adverse consequences. Fourth, demographic change, including shifting population densities contributing to urbanization, will have important effects on the demand for international law