The army adopted a scorched earth policy to prevent the enemy from gaining resources.
Армия приняла тактику выжженной земли, чтобы не дать врагу получить ресурсы.
Definitions
A scorched earth policy is a military strategy that involves destroying anything that might be useful to the enemy while advancing through or withdrawing from an area, such as crops, buildings, and infrastructure. It can also refer more generally to any tactic that seeks to leave nothing of value for opponents, even at great cost to oneself.