 Complete the following phrase:  Logistics was a recurring problem for the Russians throughout the war. The Russians lacked a quartermasters department capable of keeping armies operating in Central Europe properly supplied over the primitive mud roads of eastern Europe. The tendency of Russian armies to break off operations after fighting a major battle, even when they were not defeated, was less about their casualties and more about their supply lines; after expending much of their munitions in a battle, Russian generals did not wish to risk another battle knowing resupply would be a long time coming. This long-standing weakness was evident in the 