This book examines one of the most important challenges facing the United Nations today: the effective and lawful use of force by or under the authority of the UN to maintain or restore peace. It makes a significant contribution to the content of the law pertaining to the use of force by the UN and provides guidance as to the likely future developments in the legal framework governing collective action to maintain peace under the auspices of the United Nations.

Preventing humanitarian atrocities is becoming as important for the United Nations as dealing with inter-state war. In this book, Ramesh Thakur examines the transformation in UN operations, analysing its changing role and structure. He asks why, when and how force may be used and argues that the growing gulf between legality and legitimacy is evidence of an eroded sense of international community. He considers the tension between the US, with its capacity to use force and project power, and the UN, as the centre of the international law enforcement system. He asserts the central importance of the rule of law and of a rules-based order focused on the UN as the foundation of a civilised system of international relations. This book will be of interest to students of the UN and international organisations in politics, law and international relations departments, as well as policymakers in the UN and other NGOs.

The role of the United Nations in collective security has been evolving since its inception in 1945. This book explores collective security as practiced within the legal framework provided by the United Nations Charter, with a particular focus upon activity undertaken under the auspices of the UN Security Council, the body conferred by the Charter with the primary responsibility for the maintenance of international peace and security. Although the book is primarily grounded in international law, where appropriate it also draws upon relevant political insights in order to present a clear picture of the UN collective security system in operation and the factors which impact upon the way in which it functions. Offering a comprehensive analysis it considers the full range of measures which can be utilised by the UN in the performance of its collective security remit including military enforcement action, peacekeeping, non-military sanctions and diplomacy. The book considers each of these measures in detail, assessing the legal framework applicable to the form of action, the main legal controversies which arise in respect of their appropriate utilisation, and the UN’s use of this collective security ‘tool’ in practice. The book draws conclusions about the main strengths and shortcomings of the various means through which the UN can attempt to prevent, minimise or end conflict.

SCOTT (Copy 1): From the John Holmes Library Collection.

In 2004, the Report of the Secretary-General's High-Level Panel on Threats, Challenges and Change emphasised the linkages between economic development, security and human rights, and the imperative in the twenty-first century of collective action and cooperation between States. In a world deeply divided by differences of power, wealth, culture and ideology, central questions today in international law and organisation are whether reaffirmation of the concept of collective security and a workable consensus on the means of its realisation are possible. In addressing these questions, this book considers the three key documents in the recent UN reform process: the High-Level Panel report, the Secretary-General's In Larger Freedom report and the 2005 World Summit Outcome document. The chapters examine the responsibilities, commitments, strategies and institutions necessary for collective security to function both in practice and as a normative ideal in international law and relations between state and non-state actors alike.

This book examines the effectiveness of multilateralism in ensuring collective security and, in particular, the EU's role in this process. In 1992, shortly after the end of the Cold War, a Security Council Summit in New York reaffirmed the salience of the system of collective security and stated the determination of the Heads of State to maintain it as the prime international instrument for preserving peace. Twenty years later, however, the record of collective security as well as of multilateralism has not been very encouraging. The system of collective security, as enshrined in the United Nations (UN) Charter, failed repeatedly to accomplish its mandate in the 1990s and has led to controversial debates in the United States and Europe that reached a climax during the Iraq crisis in 2002/03. The volume draws upon both theoretical and empirical research to answer the following core questions: What are the reasons that have made multilateralism either effective or ineffective in the field of peacekeeping, peace preservation and peacebuilding? How can multilateralism be made more effective? How can attempts made by Europe to render UN multilateralism in the security area more efficient be assessed? This book will be of much interest to students of peacebuilding/peacekeeping, EU policy, the UN, security studies and IR in general.