Social Change and Development / Social Change / The Marxist Theory of Social Development / Some Considerations on the Theory of Social Change / A Reconsideration of Theories of Social Change / The Termination of Conflict / Legal Evolution and Societal Complexity / The Study of Evolution / Evolution, Function and Change / Religious Evolution / Democracy and Industrialization / The Socio-Cultural Development up to the Present Time and Our Place in It / Social Change, Modernization, and Development -- Political Development in the New States -- Alternative Courses of Political Development / The Transition to a Mass Democracy in Argentina / Sociology of Development / Socio-cultural Unbalance and Modernization in the Underdeveloped Countries / Political Development in the New States -- The Will to be Modern / Breakdowns of Modernization