President Joe Biden addresses the 78th United Nations General Assembly in New York on September 19, 2023.

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CNN  — 

President Joe Biden addressed the United Nations Tuesday and urged the world to stand by Ukraine. At times, it felt like he was also imploring the countries to stick with the United Nations.

“If we abandon the core principles of the UN charter to appease an aggressor, can any member state in this body feel confident that they are protected?” Biden asked.