Answer: combat

AnswerCrossword Clue
COMBAT

Game that came with the Atari 2600

COMBAT

Mercenary's line

COMBAT

Battle

COMBAT
Fight
COMBAT
War action
COMBATFighting
COMBATInfantry action
COMBATType of trendy women's boots
COMBATWarfare
COMBATFight against
COMBATAction, in war
COMBATOppose vigorously
COMBATContest against
COMBATOppose by force.
COMBATContend against.
COMBATStrife.
COMBATType of plane.
COMBATStrife
COMBATOppose
COMBATAttack
COMBATHand-to-hand fighting
COMBATFront-line action
COMBATWar
COMBATIt may be hand-to-hand
COMBATClash "... Rock"
COMBATMilitary engagement
COMBAT"Moral ..."(BBC program that alleged spy leaks in Kosovo conflict)
COMBATWhat a soldier may see
COMBATPrivate practice?
COMBATAction
COMBATTry to counteract