| http://www.w3.org/ns/prov#value | - ional by a U.S. president toward Moscow in decades.Left unresolved, however, was an issue that has divided Obama's administration as well as its allies: whether the U.S. and other NATO countries should provide weapons and intelligence to Ukraine, which is not a member of the alliance.Obama said NATO needs to ???make concrete commitments to help Ukraine modernize and strengthen its security forces,
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