an energetic attempt to achieve something
an open clash between two opposing groups (or individuals)
a hostile meeting of opposing military forces in the course of a war
battle or contend against in or as if in a battle
the waging of armed conflict against an enemy
a legal state created by a declaration of war and ended by official declaration during which the international rules of war apply
an active struggle between competing entities
a concerted campaign to end something that is injurious
make or wage war
