This book offers a comprehensive analysis of the evolution of American foreign policy from the end of World War II to the present, examining the interplay of domestic politics, international pressures, and historical events. It explores key themes such as the Cold War, U.S. interventions abroad, the role of the presidency and Congress, the influence of public opinion, and the impact of globalization. The authors integrate historical narrative with theoretical perspectives, enabling readers to understand both the continuity and changes in U.S. foreign relations. Updated to include recent developments, the text provides case studies and critical analysis to encourage informed evaluation of American diplomatic strategies. Designed for students and scholars, it serves as both an introduction and a reference for understanding the dynamics of U.S. engagement with the world.