In an interview for La Repubblica, the Deputy Speaker of the Russian Parliament, Pyotr Tolstoy, stated that Russia won’t stop its “special military operation” in Ukraine until the Russian Army reaches the Polish border.
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They can stop now. Kaliningrad shares a border with Poland.
Also, Russia needs a new army. Actually they need a bunch of new Combined Arms Armies. Because all of the ones that they've sent into Ukraine are ruined.