#ArticleIV, #Section4 of the U.S. Constitution states: "The #UnitedStates shall #guarantee to every #State in this #Union a #Republican Form of #Government, and shall #protect each of them against #Invasion; and on #Application of the #Legislature, or of the #Executive (when the Legislature cannot be convened) against #DomesticViolence." (1/3)

Polish officials said late Tuesday they were considering asking #NATO countries to begin special high-level consultations.
Those consultations, known as #ArticleIV in reference to NATO’s founding treaty, are a step short of invoking the alliance’s mutual-defense pact, known as #ArticleV
#Poland

https://www.wsj.com/articles/missile-that-hit-poland-likely-launched-by-ukraine-in-air-defense-western-officials-say-11668589786