The United Nations is a very important international organization. Around the world this agency's staff and volunteers are working to provide children with access to medical treatment and education. Have you ever wondered how this important work gets done? How do organizations like UNICEF help? What kinds of problems do they have to solve? Read How Do They Help? UNICEF to learn more about many people who help in your community and around the world. This introduction to the United Nations discusses its history, what it does, and more.