 Complete the following phrase:  Barclay was re-employed in the field and took part in the German Campaign of 1813 and the French Campaign of 1814, which ended the War of the Sixth Coalition 18121814. After Kutuzovs death, he once again became commander-in-chief of the Russian forces at the Battle of Bautzen 21 May 1813, and in this capacity he served at Dresden 2627 August 1813, 