WARSAW, Poland (AP) 鈥 President Joe Biden closed out his wartime visit to Europe on Wednesday, working to shore up partnerships with allies on NATO's perilous eastern flank 鈥 even as Russia's Vladimir Putin was drawing closer to China for help as his invasion of Ukraine neared the one-year mark.
Biden鈥檚 meeting with leaders of the Bucharest Nine nations in Warsaw came at the conclusion of a whirlwind, four-day visit to Ukraine and Poland meant to reassure allies that U.S. support in fending off Russia isn鈥檛 at risk of waning.
In dramatic counterpoint, Putin on Wednesday played host in Moscow to Wang Yi, the Chinese Communist Party鈥檚 most senior foreign policy official, as U.S. intelligence warned that to the worn-down Russian military.
The flexing of alliances was a fresh indication that both sides are digging in for prolonged conflict in Ukraine with the fighting expected to intensify with the arrival of spring.
Biden's trip had provided yet another moment of telling counterprogramming on Tuesday when he delivered a ringing speech on Western unity in Warsaw, a day after he swept into Kyiv unannounced for a visit with Ukrainian President Volodymyr Zelenskyy. As Biden spoke in Poland, Putin announced that Russia was suspending its participation in the last remaining U.S.-Russia nuclear arms control treaty.
Biden called that departure 鈥渁 big mistake.鈥 The exit is expected to have an immediate impact on U.S. awareness of Russian nuclear activities. However, the pact 鈥 known as New START 鈥 was already on life support following Moscow鈥檚 cancellation late last year of talks that had been intended to salvage an agreement that each side has accused the other of violating.
Biden met Wednesday with leaders of the Bucharest Nine, the nations in the easternmost parts of the NATO alliance that came together in response to Putin鈥檚 2014 annexation of Crimea from Ukraine. They include Bulgaria, the Czech Republic, Estonia, Hungary, Latvia, Lithuania, Poland, Romania and Slovakia.
鈥淵ou鈥檙e the frontlines of our collective defense,鈥 Biden told them. 鈥淎nd you know, better than anyone, what鈥檚 at stake in this conflict. Not just for Ukraine, but for the freedom of democracies throughout Europe and around the world.鈥
These countries have worried that Putin could move to take military action against them next if he鈥檚 successful in Ukraine. Biden responded to that anxiety by pledging that NATO鈥檚 mutual defense pact is 鈥渟acred鈥 and that 鈥渨e will defend literally every inch of NATO.鈥
NATO Secretary General Jens Stoltenberg, who attended the meeting, pointed to past Russian actions in Georgia and Ukraine and said, 鈥淲e cannot allow Russia to continue to chip away at European security. We must break the cycle of Russian aggression.鈥
It was unclear how the U.S. and its allies aimed to do that, other than by continuing to arm Ukraine鈥檚 military with the Western and aging Soviet arms that have allowed it retake about half of the territory it lost in the opening days of the war.
Biden returned to Washington late Wednesday night.
After the Russian military鈥檚 battlefield shortcomings were revealed at the start of the conflict, Putin, too, has been seeking rearmament, drawing on Iran and North Korea for assistance 鈥 and potentially China.
Administration officials don鈥檛 yet have an indication that China has decided to move forward on sending Moscow weaponry, but Secretary of State Antony Blinken said this week it would be a 鈥渟erious problem鈥 should Beijing follow through.
Throughout the conflict, China has cautiously weighed the pros and cons of directly aiding Russia. But a year into the war, Beijing now seems increasingly concerned that Russia 鈥 one of its closest allies 鈥 is teetering toward something that could approximate a loss in Ukraine.
The U.S. and its allies have threatened secondary sanctions on countries that support the Russian war effort. But there was no consensus this week on potentially steeper sanctions for China, which could have global economic implications, should it decide to rearm Putin鈥檚 forces.
One European official described the intelligence regarding Chinese consideration of supplying Russia with weapons as 鈥渦nambiguous.鈥 Western officials do not know whether the possibility is currently being studied only by China鈥檚 military or some other single branch of the government, or by the Chinese government as a whole, the official said. The official spoke on condition of anonymity to discuss the West鈥檚 intelligence on the matter.
Western intelligence indicates that the kind of supplies China is considering giving Russia would be aimed at backfilling stocks of weapons that Russia was losing, or wasting, on the battlefield in Ukraine, the European official said.
From the intelligence signals thus far, Western officials don鈥檛 believe China鈥檚 supply of weapons to Russia would be sufficient to change the trajectory of the year-old war.
But Chinese cooperation on military supplies for Russia鈥檚 war in Ukraine would be a significant sign of Beijing's current appetite for risk-taking when it comes to allying with Russia in a stand against the West.
Li Mingjiang, an associate professor in international relations at Nanyang Technological University in Singapore, said at an event hosted by the Carnegie Endowment for International Peace last week that Beijing was weighing the value of creating 鈥渁 situation in which the U.S. will have to now deal with really two potential enemies and challengers and that will help divert a bit of America's attention and resources from the Asia Pacific region.鈥
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Miller reported from Washington. AP writers Ellen Knickmeyer and Nomaan Merchant in Washington contributed to this report.
