as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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answer the following question. what is the purpose of the  united nations?
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the purpose of the united nations is to maintain international peace and security, develop friendly relations among nations, achieve international cooperation in solving international problems, and be a center for harmonizing the actions of nations. 

the united nations is also the cornerstone of the multilateral system, providing a forum for international diplomacy, negotiating global agreements, addressing global challenges, setting international standards and promoting international justice.
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