The United Nations (UN) is an international organization with the following primary functions:
1. Maintaining Peace and Security: The UN works to prevent conflicts and mediate peace treaties through peacekeeping missions, conflict resolution, and diplomacy.
2. Promoting Human Rights: The UN defends human rights and ensures the protection of fundamental freedoms through its Universal Declaration of Human Rights and other legal frameworks.
3. Economic and Social Cooperation: The UN coordinates efforts to address global challenges such as poverty, climate change, and public health.
4. Humanitarian Aid: The UN provides emergency relief and long-term support to people affected by disasters, conflicts, and other humanitarian crises.