Why are certain regions of the world mired in conflict? And how did some regions in Eurasia emerge from the Cold War as peaceful and resilient? Why do conflicts ignite in Bosnia, Donbas, and Damascus—once on the peripheries of mighty empires—yet other postimperial peripheries like the Baltics or Central Europe enjoy quiet stability? In The Neighborhood Effect: The Imperial Roots of Regional Fracture in Eurasia (Stanford Univ. Press, 2022), Anna Ohanyan argues for the salience of the neighborhood effect: the complex regional connectivity among ethnic-religious communities that can form resilient regions.