The United Nations was established on 24th October 1945 after the Second
World War for the purpose of maintaining peace and security and developing friendly relations among nations and preventing another such war in the future.
The role description of the United Nations in establishing peace in the world is as follows:
i) There is an organ named “Security Council” in the United Nations which send peacekeepers to the regions where there is an armed conflict going on or is about to begin.
ii) United Nations passed a resolution in 1947 according to which Palestine was divided into two parts -Arab and Jewish States to resolve the issue of conflict between the Arabs and Jews.
iii) In addition to peacekeeping, UN is also active in encouraging disarmament. It encouraged limiting the use of human and economic resources for the creation of armaments.
iv) The UN has been involved with arms limitation treaties, such as the Outer Space Treaty (1967), Biological Weapons Convention (1972), the Treaty on the Non Proliferation of Nuclear Weapons (1971), Chemical Weapon Convention (1992).
v) Example: In September 2013, the UN has peacekeeping soldiers deployed on 15 missions. The largest was the United Nations Organization Stabilization Mission in the Democratic Republic of the Congo.