(n.) The state of being a partisan, or adherent to a party; feelings or conduct appropriate to a partisan.

aggression aggressiveness all-out war antagonism antipathy appeal to arms argumentativeness armed combat armed conflict attack battle bellicism bellicosity belligerency bickering bloodshed chauvinism clash clashing collision combat combativeness conflict contention contentiousness despitefulness disputatiousness dissension dissent dissidence faction factiousness ferocity fierceness fight fighting flak friction hate hatred hostilities hostility hot war infighting irascibility irritability jingoism la guerre litigiousness malevolence malice malignity martialism might of arms militancy militarism military operations open hostilities open war partisan spirit partisanship pugnaciousness pugnacity quarrelsomeness repugnance resort to arms saber rattling shooting war shrewishness spite spitefulness state of war the sword total war truculence unfriendliness unpeacefulness war warfare warmaking warmongering warpath warring wartime