This new and expanded edition of Presidential Doctrines offers a comprehensive analysis of past and present US presidential doctrine, from George Washington to the beginnings of the Biden administration. Warren and Siracusa expertly assess key doctrines, demonstrating that the current dilemmas facing the United States are a continuation of perennial foreign-policy challenges.

Aiden Warren is associate professor in RMIT University's School of Global, Urban, and Social Studies.

Joseph M. Siracusa is professor of human security and international diplomacy, senior associate at the Royal Melbourne Institute of Technology University, and president of Australia's Council for the Humanities, Arts and Social Sciences.