This international relations study investigates the underlying causes of the Yemen crisis by analyzing the interactions of global, regional, and local actors. At all phases, GCC member states played a key role, from political negotiations amidst street protests in 2011 to formation of an international military coalition in 2015. Using a multi-actor model, the book shows that various actors, whether state or non-state, foreign or domestic, combined to create a disastrous armed conflict and humanitarian crisis. Yemen¿s tragedy is often blamed on Saudi Arabia and its rivalry with Iran, which is usually defined in sectarian ¿Sunni-Shiä terms, yet the book presents a more complex picture of