Article 4; Section 4: The United States shall guarantee to every State in this Union a Republican Form of Government, and shall protect each of them against Invasion."

War Criminals pic.twitter.com/N28VpXCQz6

— DR JANE RUBY (@RealDrJaneRuby) January 23, 2024

This meme states it in very specific terms, but if so inclined you can find a little elaboration at Wikipedia. 

It’s nice to know that we all fought like hell to get ACB on the Supreme Court just so she could rule that illegal aliens can flood our country https://t.co/jiHgZXpf44

— DC_Draino (@DC_Draino) January 22, 2024