Final answer:
The UN is an international organization founded after World War II with the goal of maintaining peace and promoting social progress and human rights. It consists of various components such as the General Assembly, Security Council, and International Court of Justice.
Step-by-step explanation:
The United Nations (UN) is an international organization founded in 1945 by 51 countries after World War II. It aims to maintain international peace and security, develop friendly relations among nations, and promote social progress, better living standards, and human rights. The UN is composed of several components, including the General Assembly, Security Council, Economic and Social Council, Secretariat, Trusteeship Council, and International Court of Justice. Each body has its specific mandate and plays a crucial role in the overall functioning of the UN.