 Complete the following phrase:  The LWP Polish formation fought along the Allied side in the USSR, after the Anders Army had left the USSR. The LWP Polish forces soon grew beyond the 1st Division into two major commands - the Polish First Army Berlings and the Polish Second Army commanded by Karol Świerczewski. The most significant tank formation in the initial period was the 1st Warsaw Armoured Brigade equipped with T-34 tanks, that first fought in the battle of Studzianki. The Polish First Army participated in the VistulaOder Offensive and the 