war; battle; campaign; (arch.) troops; (arch.) forces
losing a battle; lost battle; battle one cannot win; battle one is doomed to lose
winning a battle; victory; victorious battle
battlefield; battleground
being battlewise; being skilled in battle; experienced warrior
an army marches on its stomach; (lit.) you can't fight on an empty stomach
battle in the open; battle on an open field
playing war (children's game)
warrior; combatant; soldier