 Complete the following phrase:  By 1944, the German Eastern Fronts situation became hopeless. Adolf Hitler who took over personally many duties in the OKW and OKH ordered the no step back policy in an attempt to halt the Soviet offensives which could not be contained by open field battle anymore. Following this policy, several cities were declared Festungen Fortresses and were to be held by the German army at all costs, even if surrounded and with no hope to break the siege. Examples of this policy were the 