This ruler granted the use of his name to the author of The Cavalry Maiden, who was assigned female at birth but passed as a male cavalryman. This ruler’s general Count Bennigsen (-5[1])failed to destroy the enemy’s reserves after crossing the Alle. Three arrowhead-shaped earthworks built to protect the left flank of this ruler’s army were stormed by Marshal Davout. (15[1])(*) Barclay de Tolly’s strategy of scorched-earth retreat was unpopular with this ruler, (10[2])who replaced him after the Battle of Smolensk. (10[1])While on (10[1])a raft in the Neman River, this ruler pledged to join the Continental (10[1])System in the first Treaty of Tilsit. This ruler’s (10[1])general Mikhail (-5[1])Kutuzov would later inflict heavy casualties on the French army at the Battle of Borodino. For 10 points, name this tsar who ruled during Napoleon’s invasion of Russia. ■END■ (10[2])