International Law and International Relations

Beth Simmons

in The Oxford Handbook of Law and Politics

Published in print August 2008 | ISBN: 9780199208425
Published online September 2009 | | DOI:

Series: Oxford Handbooks of Political Science

 International Law and International Relations

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International law is a set of rules intended to bind states in their relationships with each other. It is largely designed to apply to states, both to constrain (the laws of war) and to empower them (law of sovereignty). Increasingly, international law has been codified, so that today most international obligations are contained in treaty form, although historically customary international law played a relatively more important role than it does today. The role of international law in informing foreign policy decision making has waxed and waned over the course of the past century. It has also varied significantly across countries. It is striking the extent to which international interactions have become reflected in and regulated by formal state-to-state agreements. This article examines international law and international relations, multilateral treaties, political theories of international law (realism, rational/functionalist theories, constructivist approaches), and legal agreements. It also discusses the implementation, compliance, and effectiveness of international law.

Keywords: international law; international relations; foreign policy; multilateral treaties; realism; legal agreements; compliance; implementation; effectiveness

Article.  9112 words. 

Subjects: Politics ; International Relations ; Politics and Law

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