The United States “will provide the Ukrainians with more advanced missile systems and munitions that will allow them to more accurately hit key targets on the battlefield in Ukraine,” writes Joe Biden in a contribution to the New York Times, published Tuesday by the newspaper.

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Indicating that he wanted Ukraine to be "in the strongest possible position" in the event of negotiations with Russia, the American president nevertheless specified: "We are not encouraging Ukraine and we are not giving Ukraine the means to strike outside its borders”.