What motivates states to assist other countries in need? Focusing on Chinese, Russian, and American decisions about COVID-19 aid, this book illuminates the role of historically contingent ideas in donors’ decisions. Drawing on the theoretical insights of the critical geopolitics tradition, it advances and tests explanations for aid-related decisions on a novel global dataset of COVID-19 aid. Rigorously theorized, meticulously researched, and accessibly written, this book illuminates the ways in which China and Russia seek to reshape the humanitarian field consistent with their geopolitical visions. Their competition with the US over approaches to aid has weakened the integrity of humanitarian system.