<P> Costly Allied assaults continued for minimal gains . By 27 July, the Germans had withdrawn their center behind Fère - en - Tardenois and had completed an alternative rail link . The Germans retained Soissons in the west . </P> <P> On 1 August, French and British divisions of Mangin's Tenth Army renewed the attack, advancing to a depth of nearly 5 miles (8.0 km). The Allied counterattack petered out on 6 August in the face of German offensives . By this stage, the salient had been reduced and the Germans had been forced back to a line running along the Aisne and Vesle Rivers; the front had been shortened by 28 miles (45 km). </P> <P> The Second Battle of the Marne was an important victory . Ferdinand Foch received the baton of a Marshal of France . The Allies had taken 29,367 prisoners, 793 guns and 3,000 machine guns and inflicted 168,000 casualties on the Germans . The primary importance of the battle was its morale aspect: the strategic gains on the Marne marked the end of a string of German victories and the beginning of a series of Allied victories that would in three months bring the German Army to its knees . </P>

Who won the second battle of the marne