In these essays, written (with one exception) between 1978 and 1982, Immanuel Wallerstein elaborates on the political and theoretical implications of the world-systems perspective outlined in his celebrated books The Modern World-System and The Capitalist World-Economy. Whereas those books centred on the historical development of the modern world-system, the essays in this volume explore the nature of world politics in the light of Wallerstein's analysis...