This book tackles the question: when international security institutions face a legitimacy crisis, why are some replaced while others endure?

International institutions constitute the basis of global order. As they struggle to accommodate shifts in power and emerging threats, their legitimacy - their

"International institutions constitute the basis of global order. As they struggle to accommodate shifts in power and emerging threats, their legitimacy - their

International Security Studies (ISS) has changed and diversified in many ways since 1945. This book provides the first intellectual history of the development o

This book explores how international organizations (IOs) have expanded their powers over time without formally amending their founding treaties. IOs intervene i