The visit of Ukrainian President Volodymyr Zelensky to the White House will symbolically strengthen America's role as an arsenal of democracy in Russia's brutal war against Ukraine and will be a great public rebuke for Kremlin head Vladimir Putin. CNN writes about it.

Zelenskiy's arrival will echo the arrival of British Prime Minister Winston Churchill in Washington 81 years ago, days after the attack on Pearl Harbor. This visit cemented an alliance that helped end World War II and built a post-war democratic world..

Zelensky's visit unfolds amid emergency security measures. A reception at the White House for him will be, first of all, an unmistakable sign of support for the United States and the West in Ukraine's struggle against Putin.. This war is an example of what Biden called a global struggle between democracy and totalitarianism..

Biden is expected to announce $1.8 billion in additional security assistance to Ukraine, which could include Patriot complexes. Zelenskiy's visit also comes at a time when Congress is ready to approve another $45 billion in aid for Ukraine and NATO allies..

The pending Patriot decision, which satisfies a longstanding request from Ukraine, reflects the process of aligning U.S. aid with Russia's changing attack strategy.. The system will help Kyiv better withstand the brutal Russian missile attacks.

The meeting between Biden and Zelensky, who have repeatedly spoken by phone and video but have not met in person since the invasion, comes at a pivotal moment in the war. Biden has been carefully calibrating US arms transfers for months to support Ukraine but avoid escalating conflict in a catastrophic head-to-head showdown between NATO and Russia.. He, for example, rejected Ukraine's calls to the West to ensure a no-fly zone over the country.. Patriot - long-range air defense system could be US's deepest dive into war.

Former NATO Allied Commander Europe Europe Wesley Clarke said Zelenskiy's trip reflects a critical moment when the fate of a war that Ukraine cannot win without increased US support may be decided before Russia has time to regroup..

“This is a window of opportunity for Ukraine, as well as a window of danger. Russia is weak, (but) Russia will become stronger. This is the period when the United States must provide support. … This is the window, President Zelensky knows this – if he is going to defeat, with US support, Russian aggression in Ukraine,” Clarke said..

How Putin will react to Zelensky's visit to the US?

The public nature of Zelenskiy's visit and the expected Patriot announcement also risk further provoking Putin.. Kremlin chief is signaling that no matter how disastrous the war is for Russian troops, he is set to go long distance, betting Western support for Ukraine will eventually wane..

Zelenskiy's visit to Congress will also play a major role in the debate on Capitol Hill over aid to Ukraine as Republicans win a majority in the House of Representatives next year.. Some supporters of former US President Donald Trump, who will have significant leverage in the Republican Party, have said the billions of dollars that have been sent to Ukraine should be used to strengthen the US southern border, where new migrants are expected to influx in the coming days..

While Ukraine still has strong Republican support in the Senate, it is these shifting political dynamics that seem to be shaping the Kremlin's perceptions of how long US resolve will last in a war on which Putin's political survival may well depend..

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Recall that President Volodymyr Zelensky went to the United States, where he will meet with his American counterpart Joe Biden.

The president's office reported that Zelensky's meeting with Biden is scheduled for today, December 21. They will discuss comprehensive cooperation between the two countries, in particular, to strengthen the stability and defense of Ukraine, support its sovereignty and restore territorial integrity..