2-41. Populace control provides security for the indigenous populace, mobilizes human resources, denies enemy access to the population, and detects and reduces the effectiveness of enemy agents. Populace control measures are a key element in the execution of primary stability tasks in the areas of civil security and civil control. Commanders and leaders set the conditions for the operation by gaining the cooperation and support of the populace by building mutual trust. This involves establishing public order and safety, securing borders, protecting population centers and people, holding individuals accountable for criminal activities, controlling the activities of individuals or groups that pose a security risk, reestablishing essential civil services, and setting operational area conditions that support stability through unity of effort. Populace control may become necessary as a result of military operations or man-made or natural disasters.