Final answer:
The mission of the United Nations is to promote peace and justice worldwide and to establish conditions for maintaining justice and respect for international obligations. It also aims to save succeeding generations from war and promote social progress.
Step-by-step explanation:
The mission of the United Nations, as outlined in its Charter, is to promote peace and justice throughout the world. The Charter emphasizes the importance of saving succeeding generations from the scourge of war, reaffirming fundamental human rights, and establishing conditions under which justice and respect for international obligations can be maintained. The United Nations also aims to promote social progress and better standards of life.
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