Final answer:
Czar Alexander I employed a scorched earth policy during the Russian Campaign, avoiding surrender and forcing Napoleon into a costly retreat by denying his army essential resources and shelter.
Step-by-step explanation:
During the Russian Campaign, Czar Alexander I did not surrender to Napoleon's Grand Army. As Napoleon invaded with a force of 650,000 men, the Russian troops, who were substantially outnumbered, implemented a strategic scorched earth policy. They retreated, destroying their own land and resources to deny Napoleon's army the ability to live off the land. This included burning cities and crops and killing livestock. The Russian resistance culminated in a significant battle, the Battle of Borodino, with heavy casualties on both sides but no clear victor, leading to the Russians' strategic retreat from Moscow. The French eventually entered Moscow in September 1812, only to find it abandoned and set aflame. Facing the onset of winter with inadequate supplies and no hope of Russian capitulation, Napoleon was forced to order a devastating retreat, which decimated his army and significantly weakened his hold on power.