A Critical Evaluation of Collective Security as a Mechanism for Global Peace and Stability Introduction The concept of collective security, broadly defined as a system in which states agree to jointly respond to threats against peace and to refrain from aggression against one another, has been a foundational ideal of international relations in the post-Westphalian … Continue reading To what extent can a robust and institutionalized system of collective security serve as a reliable mechanism for ensuring global peace and stability?