The need to cooperate to address common problems and attain collective goods has led to the development of a robust if imperfect system of global governance. Issues such as climate change, terrorism, international crime, religious movements, trade, and human migration impact every state.

Global governance helps manage the anarchy of the international system by setting rules and boundaries for state behavior and providing forums for collective action International law, created by multilateral treaties, establishes boundaries on state behavior.

international law — the rules, drawn from treaties and customs, that govern the way states interact with each other. global governance — the bringing together of state and non-state actors to coordinate collective action for the purpose of providing global public goods such as peace and security, economic…. terrorism — the use of violence by non-state actors against civilians in order to achieve a political goal. collective goods — goods available to all, regardless of individual contribution.