The chapter emphasizes the importance of international cooperation in the modern era, focusing on the Iran nuclear deal and the evolving relationship between Iran and the USA. It focuses on the Joint Comprehensive Plan of Action (JCPOA), commonly known as the Iran nuclear deal, to explore the complex and evolving relationship between Iran and the USA. It examines Iran's history, the Iran-Iraq war, and Israel's nuclear capabilities to understand power dynamics in the Middle East. The chapter contrasts this with Chile, examining the impact of American soft power and foreign policy during the military regime.