cyberwarfare

(military) The use of toxic properties of chemical substances as weapons of war, through the intentional exposure of enemy forces to such substances.

The use of nuclear weapons as weapons of war.

Warfare in which one or more combatants are irregulars (such as partisans, guerrillas or insurgents) rather than regular military forces.

Synonym of asymmetric warfare

combat conducted in towns and cities

The Christian concept of fighting against the work of preternatural evil forces, based on the biblical belief in demons or evil spirits.

The usage of Internet memes in an effort to achieve geopolitical goals or to enact social change.