The Ukranian War and the Soviet War in 1939

The soviet union in all its glory, remember, this was right during its non aggression pact. So it was in with hitler, and it invaded finland. Why did it invade finlan? Wember. Finland didn't exist for centuries as an independent, autonomist country. It was either run by sweden or was part of russia. And then during the bolshevik revolution of 19 seveny it broke away and got its autonomy.