A bridge at M矇zi癡res totally destroyed by the French, 1914. A scorched earth policy is a military strategy which involves destroying anything that might be useful to the enemy while advancing through or withdrawing from an area. It is a military strategy where all of the assets that are used or can be used by the enemy are targeted, such as food sources, transportation, communications, industrial resources, and even the people in the area. The practice can be carried out by an army in enemy territory, or in its own home territory.