<Tr> <Th> History </Th> <Td> United Nations peacekeeping missions </Td> </Tr> <P> Peacekeeping by the United Nations is a role held by the Department of Peacekeeping Operations as "a unique and dynamic instrument developed by the organization as a way to help countries torn by conflict to create the conditions for lasting peace ." It is distinguished from peacebuilding, peacemaking, and peace enforcement although the United Nations does acknowledge that all activities are "mutually reinforcing" and that overlap between them is frequent in practice . </P> <P> Peacekeepers monitor and observe peace processes in post-conflict areas and assist ex-combatants in implementing the peace agreements they may have signed . Such assistance comes in many forms, including confidence - building measures, power - sharing arrangements, electoral support, strengthening the rule of law, and economic and social development . Accordingly, UN peacekeepers (often referred to as Blue Berets or Blue Helmets because of their light blue berets or helmets) can include soldiers, police officers, and civilian personnel . </P> <P> The United Nations Charter gives the United Nations Security Council the power and responsibility to take collective action to maintain international peace and security . For this reason, the international community usually looks to the Security Council to authorize peacekeeping operations through Chapter VI authorizations . </P>

Un peacekeepers are easily recognized by what piece of clothing