<p>US President Joe Biden promised his Ukrainian counterpart Wednesday that Kyiv will "never stand alone," as Volodymyr Zelenskyy took a hard line on the return of all territory seized by Russian forces.</p>.<p>Biden also made clear to Zelenskyy -- who was on his first trip outside of Ukraine since Russia invaded in February -- that there were limits to the type of support that can be provided to Kyiv without risking divisions among its allies.</p>.<p>"Ukraine's fight is part of something much bigger," Biden said at a joint press conference with Zelenskyy by his side, pledging that the United States would lend its support against "Russian aggression" for "as long as it takes."</p>.<p>Zelenskyy, who primarily spoke through a translator, made clear that he will not be pushed into a settlement that leaves Ukrainian territory -- some of which Moscow claims to have annexed -- in Russian hands.</p>.<p>"For me as a president, 'just peace' is no compromises as to the sovereignty, freedom and territorial integrity of my country; the payback for all the damages inflicted by Russian aggression," he said.</p>.<p>The Ukrainian leader also expressed his gratitude to Washington for agreeing to provide the advanced Patriot air defense system as part of $1.85 billion in military assistance announced in parallel with his visit.</p>.<p>"The strongest element of this package is the Patriot battery systems, something that will strengthen our air defense significantly," Zelenskyy said. "This is a very important step to create a secure air space for Ukraine."</p>.<p>Biden said he is confident that the Western alliance in support of Ukraine would remain united.</p>.<p>"I'm not at all worried about holding the alliance," Biden said. "I feel very good about solidarity and support for Ukraine."</p>.<p>But he also made clear that there are limits to what Ukraine's allies will agree to provide.</p>.<p>"The idea that we would give Ukraine material that is... fundamentally different than is already going there, we'd have a prospect of breaking up NATO and breaking up the European Union, and the rest of the world," Biden said.</p>.<p>"We're gonna give Ukraine what it needs to be able to defend itself to be able to succeed," he added.</p>
<p>US President Joe Biden promised his Ukrainian counterpart Wednesday that Kyiv will "never stand alone," as Volodymyr Zelenskyy took a hard line on the return of all territory seized by Russian forces.</p>.<p>Biden also made clear to Zelenskyy -- who was on his first trip outside of Ukraine since Russia invaded in February -- that there were limits to the type of support that can be provided to Kyiv without risking divisions among its allies.</p>.<p>"Ukraine's fight is part of something much bigger," Biden said at a joint press conference with Zelenskyy by his side, pledging that the United States would lend its support against "Russian aggression" for "as long as it takes."</p>.<p>Zelenskyy, who primarily spoke through a translator, made clear that he will not be pushed into a settlement that leaves Ukrainian territory -- some of which Moscow claims to have annexed -- in Russian hands.</p>.<p>"For me as a president, 'just peace' is no compromises as to the sovereignty, freedom and territorial integrity of my country; the payback for all the damages inflicted by Russian aggression," he said.</p>.<p>The Ukrainian leader also expressed his gratitude to Washington for agreeing to provide the advanced Patriot air defense system as part of $1.85 billion in military assistance announced in parallel with his visit.</p>.<p>"The strongest element of this package is the Patriot battery systems, something that will strengthen our air defense significantly," Zelenskyy said. "This is a very important step to create a secure air space for Ukraine."</p>.<p>Biden said he is confident that the Western alliance in support of Ukraine would remain united.</p>.<p>"I'm not at all worried about holding the alliance," Biden said. "I feel very good about solidarity and support for Ukraine."</p>.<p>But he also made clear that there are limits to what Ukraine's allies will agree to provide.</p>.<p>"The idea that we would give Ukraine material that is... fundamentally different than is already going there, we'd have a prospect of breaking up NATO and breaking up the European Union, and the rest of the world," Biden said.</p>.<p>"We're gonna give Ukraine what it needs to be able to defend itself to be able to succeed," he added.</p>