U.S. Alliance and Partner Networks: A Network Analysis of Their Health and Strength

To determine how much the United States can rely on its network of allies and partners, researchers constructed global networks representing diplomatic, military, and economic elements of national power in 1989, 2000, and 2017 and compared the connections, centrality, interdependence, vulnerability to disruption, risk of conflict contagion, network depth, and U.S. access to network depth per dollar of U.S. assistance provided to network members.