This comprehensive text provides a thorough analysis of the values and beliefs that have shaped American foreign policy, exploring how they have evolved over time. Through exploration of presidential administrations from the end of World War II to the present day, American Foreign Policy and Process provides an extensive comparison of policymaking processes during the Cold War, after Vietnam, and after 9/11. This new edition provides an up-to-date evaluation of the Trump and Biden administrations, including updates to reflect the current changes in the actions of important domestic foreign policy institutions. A series of chapters provides assessments of the role of governmental actors and non-governmental actors in affecting the direction of foreign policy. Through the use of supportive maps, key documents, figures, and tables, students will examine the history of American foreign policy and how it has evolved over time, with emphasis on comparing the changing approaches of administrations from Nixon through Biden.