<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1645-9199</journal-id>
<journal-title><![CDATA[Relações Internacionais (R:I)]]></journal-title>
<abbrev-journal-title><![CDATA[Relações Internacionais]]></abbrev-journal-title>
<issn>1645-9199</issn>
<publisher>
<publisher-name><![CDATA[IPRI-UNL]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1645-91992023000100073</article-id>
<article-id pub-id-type="doi">10.23906/ri2023.77a08</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[A indesejada guerra do mundo livre]]></article-title>
<article-title xml:lang="en"><![CDATA[The undesirable war of the free world]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soller]]></surname>
<given-names><![CDATA[Diana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,IPRI-NOVA  ]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<numero>77</numero>
<fpage>73</fpage>
<lpage>81</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S1645-91992023000100073&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S1645-91992023000100073&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S1645-91992023000100073&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Este artigo argumenta que a invasão russa da Ucrânia e a tentativa de Moscovo internacionalizar o conflito implicando os Estados Unidos da América não poderiam ter vindo em pior altura para Washington. No entanto, a Administração Biden identificou esta invasão como uma guerra de transição de poder e um ataque às regras liberais internacionais, tornando a intervenção americana inevitável. Justifica-se o argumento explicando a visão e o papel norte-americanos no sistema internacional, as razões pelas quais a invasão da Ucrânia é uma guerra de transição de poder e como a fragilidade europeia e a importância da aliança transatlântica foram também cruciais para as escolhas da Administração Biden.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This paper argues that Russia&#8217;s invasion of Ukraine, as well as Moscow&#8217;s attempt to internationalize the conflict, were seen by Washington as an unwelcome situation. However, the Biden administration perceived the attack as a war of power transition and an attempt to over through the rules-based order, making impossible for the US not to intervene. The argument is presented in three parts: the American vision and its role on the international system, the reasons why the US made the right diagnosis of the war on Ukraine, and the European incapability of leading this effort, as well as the importance of the transatlantic ties were critical to the Biden administration&#8217;s choices.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Estados Unidos da América]]></kwd>
<kwd lng="pt"><![CDATA[Rússia]]></kwd>
<kwd lng="pt"><![CDATA[guerra na Ucrânia]]></kwd>
<kwd lng="pt"><![CDATA[transição de poder]]></kwd>
<kwd lng="en"><![CDATA[United States of America]]></kwd>
<kwd lng="en"><![CDATA[Russia]]></kwd>
<kwd lng="en"><![CDATA[war in Ukraine]]></kwd>
<kwd lng="en"><![CDATA[power transition]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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