Fully updated chapters and a new Introduction, including discussion of the Paris Climate Change Agreement. the world's response to COVID-19, and the revival of ultranationalism and great-power rivalry. New sections on the theory and practice of neoliberalism and populism, the UN's use of the "Responsibility to Protect" in the Middle East, the Arab Spring, and multifaceted roles in the developing world, with special attention to Africa. Updated analysis of twenty-first century challenges to collective security, including in Syria and, particularly, in Ukraine. Unique special section on the student Model United Nations experience. Coverage of the UN's efforts to implement the Sustainable Development Goals; and Resources with supportive materials and documents. Fresh descriptions of the U.S.-China relationship within the UN environment, including inventive and challenging Chinese global financial and economic policies.

Fully updated chapters and a new Introduction, including discussion of the Paris Climate Change Agreement. the world's response to COVID-19, and the revival of ultranationalism and great-power rivalry. New sections on the theory and practice of neoliberalism and populism, the UN's use of the "Responsibility to Protect" in the Middle East, the Arab Spring, and multifaceted roles in the developing world, with special attention to Africa. Updated analysis of twenty-first century challenges to collective security, including in Syria and, particularly, in Ukraine. Unique special section on the student Model United Nations experience. Coverage of the UN's efforts to implement the Sustainable Development Goals; and Resources with supportive materials and documents. Fresh descriptions of the U.S.-China relationship within the UN environment, including inventive and challenging Chinese global financial and economic policies.