 Complete the following phrase:  Following the German surrender at Stalingrad, Rokossovskys forces were redeployed northwest to become the new Central Front in the region around Kursk. 65th Army exploited a gap between the weak Second German Army and the Second Panzer Army, but was brought to a halt by the spring rasputitsa, German reserves released by their evacuation of the Rzhev Salient, and the 