The document outlines the responsibility to protect populations from mass atrocities. It discusses the responsibilities to prevent crises, react through appropriate measures if prevention fails, and rebuild after military intervention. Key principles for intervention include just cause, seeking Security Council approval, and ensuring operations are proportionate and follow international law. The document argues for improving the Security Council's role and effectiveness in handling issues related to sovereignty and humanitarian crises. Overall it presents the emerging concept of the responsibility to protect civilians from mass atrocities.