Scorched earth
A scorched-earth policy is a military strategy that aims to destroy anything that might be useful to the enemy while it is advancing through or withdrawing from a location. Any assets that could be used by the enemy may be targeted, for example food sources, water supplies, transportation, communications, industrial resources, and even the locale's people themselves.
Three Alls Policy
The Three Alls Policy (, Sankō Sakusen) was a Japanese scorched earth policy adopted in China during World War II, the three "alls" being "kill all, burn all, loot all" (). This policy was designed as retaliation against the Chinese for the Communist-led Hundred Regiments Offensive in December 1940. Contemporary Japanese documents referred to the policy as .