This book examines the strategies of regional powers in the Middle East regarding their response to cases of state failure in the region, thus connecting the theoretical concepts of statehood, state failure, and revisionist and pro-status quo interventionist behavior. Through a detailed comparative analysis of five case studies of failed states occurring in the region during 1960-2010s -Yemen (1962-1970), Lebanon (1975-1989), Iraq (2003-2020), Yemen (2004-2020), and Syria (2011-2020) - the author employs the conceptual theory of balance of power to analyze the behavior of six regional...