title: NATO after the invasion of Ukraine: how the shock changed alliance cohesion
abstract: Abstract Following Russia’s invasion of Ukraine in 2022, experts predicted a NATO revival. The record on alliance cohesion, however, is mixed. Allies achieved consensus on some issues but not others. While some Alliance politics scholars and NATO experts assert that cohesion improved, new scholarship is needed to explain the nature of and changes in cohesion across NATO’s many issue areas. Leveraging organizational change scholarship, I argue that the extent to which an exogenous shock—here, the
journal: International Politics