Hi there! I am XieL4n. I will be the one to help answer your question(s) Make sure to leave feedback if necessary! :)
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Your question: The reason the United Nations exists is to ____
My Answer: The U.N existed to end war and promote peace, justice, and better living for all mankind
More Details:
The United Nations is an international organization founded in 1945 and committed to maintaining international peace and security; developing friendly relations among nations; promoting social progress, better living standards and human rights.