This seminal casebook helped pioneer the field of U.S. foreign relations law. The 6th edition provides comprehensive treatment of the distribution of foreign relations powers within the federal government; customary international law and treaties as sources of law in the United States; the war powers; and Congress's power of the purse, federalism, and the justiciability of foreign relations cases. Particular emphasis is placed upon historical sources, materials which document the practices of the executive branch, and key doctrines of international law. Practice exercises are provided to stimulate student engagement.


Imprint: West Academic Publishing
Series: American Casebook Series
Publication Date: 11/28/2023

Sean D. Murphy, George Washington University Law School

Edward T. Swaine, George Washington University Law School

Ingrid Brunk, Vanderbilt University Law School

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As part of a comprehensive update and refresh of existing materials, the new edition:

  • Provides a new unit on the constitutionality of climate initiatives by U.S. states
  • Addresses emerging issues with U.S. sanctions through case excerpts and analysis of Fifth Amendment due process issues
  • Reorganizes and adds contemporary materials relating to the exercise of war powers
  • Includes major excerpts of new Supreme Court cases involving presidential authority and constitutional rights (Trump v. Hawaii), human rights (Jesner v. Arab Bank, PLC and Nestlé USA, Inc. v. John Doe), and treaty interpretation (Monasky v. Taglieri)

Learn more about this series.