This edition has been revised and updated to analyze the implications of the end of the Cold War, the collapse of communism, and the break-up of the Soviet Union. The authors demonstrate how a 20th-century diplomatic revolution has altered international relations.

[PART] I: THE INTERNATIONAL SYSTEM FROM THE SEVENTEENTH CENTURY TO THE PRESENT: The emergence of the great powers -- Eighteenth-Century diplomacy -- Balance of power, 1815-1914: three experiments -- System-building, 1919-1939 -- Public opinion and foreign policy -- Economics and foreign policy -- Totalitarian and democratic diplomacy, 1919-1939 -- A postwar system of security: Great-Power directorate or United Nations? -- The Cold War as international system -- From detente to the end of the Cold War -- The evolving internationaal system. [PART] II: MAINTAINING THE SYSTEM: PROBLEMS OF FORCE AND DIPLOMACY: Knowledge for statecraft: lessons of history -- Negotiation -- Deterrence -- Creative diplomacy -- Crisis management -- War termination -- Detente -- The role of force in diplomacy: a continuing dilemma for U.S. foreign policy -- Problems of ethical and moral restraints on the use of force in foreign policy -- EPILOGUE: Some reflections on the diplomatic revolution.