Answer:
1: The United Nations is an intergovernmental organization aiming to maintain international peace and security, develop friendly relations among nations, achieve international cooperation, and be a centre for harmonizing the actions of nations.
2:
- To keep peace throughout the world;
- To develop friendly relations among nations;
- To help nations work together to improve the lives of poor people, to conquer hunger, disease and illiteracy, and to encourage respect for each other's rights and freedoms.
- To be a centre for harmonizing the actions of nations to achieve these goals
3: The main objectives of the United Nations are the maintenance of international peace and security, the promotion of the well-being of the peoples of the world, and international cooperation to these ends.
4: October 24, 1945 in San Francisco
5: New York, NY