The Law of War principle of "military necessity" _____. requires parties to a conflict to distinguish between combatants and noncombatants and to distinguish between military objectives and protected property and places prohibits attacks that may be expected to cause incidental loss of civilian life, injury to civilians, damage to civilian objects, or a combination thereof, which would be excessive in relation to the concrete and direct military advantage expected to be gained forbids the employment of means and methods of warfare calculated to cause unnecessary suffering and acknowledges that combatants' necessary suffering, which may include severe injury and loss of life, is lawful justifies those measures not forbidden by international law that are indispensable for securing the complete submission of the enemy as soon as possible