Published Paper Details:

As the world is facing unprecedented security challenges at different fronts�especially environment, health and economic spheres�the roles of international organizations have become important to address�especially after Cold War featured as rise of multiple powers�in order to sort out the emerging security challenges, disarmament of weapons for instance. The United Nations partly have succeeded in its main objectives to maintain international peace and security, simultaneously failed to acknowledged the concerns of developing countries to speed up reforms as the world is no longer what it was before the World War II. It is concluded by saying that the UN has succeeded in its objectives partly; however, it also requires reinforcing its main objectives and principles by adopting the dynamic and practical demands made by member states for a long. In this context, this article seeks to assessment of the United Nations and its achievement and failures after completing of its seventy-five years in 2020; it also underlines major objectives and its performances and finds out key challenges that the United Nation is facing that require restructuring internal bodies and long awaited reforms�especially in the Security Council and so on. All these present for member�s UN has also an opportunity to peacefully resolve the challenges of world at today.