This document discusses peace-building and its relationship to sustainable development. It defines peace-building as outside interventions designed to prevent conflict by creating sustainable peace. Peace-building addresses root causes of violence, creates expectations for peaceful conflict resolution, and stabilizes societies politically and economically. It differs from peace-making, which stops ongoing conflicts, and peace-keeping, which only prevents conflict resumption. Peace-building must address functional structures, emotional conditions, social psychology, social stability, rule of law, and cultural sensitivities. It involves disarming combatants, rebuilding infrastructure, developing rule of law and institutions, counseling, community dialogue, and promoting economic development and civil society. Sustainable development contributes to reducing poverty, inequalities,