A New Iron Curtain Is Emerging Along a North-South Line in an Eastern Europe Fearful of Moscow’s Aggression

Putin says he invaded Ukraine to push back NATO. Instead, his invasion is sparking his nearest western neighbors to ramp up their defenses.

Sean Gallup/Getty Images
Leopard 2PL main battle tanks of the Polish armed forces crossing the Vistula River during NATO military exercises on March 4, 2024 near Gniew, Poland. Sean Gallup/Getty Images

Romania is building NATO’s largest military base in Europe. Poland is negotiating to host American nuclear weapons. Finland, long known for “Finlandization,” or studied neutrality, is now in NATO and calls itself “a front-line state.”

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