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President Joe Biden delivered a speech in Warsaw, Poland marking the one-year anniversary of Russia's invasion of Ukraine. He warned the Kremlin and expressed support for the Ukrainian people, noting that Kyiv is standing strong and proud. NATO has grown stronger and more unified since the invasion, and Biden challenged Putin to "end the war" against Ukraine. He also stated that the US and its allies will not waiver in their support for Ukraine, and that Europe and the US do not seek to control