Related Clues:

• Fighting it out
• Really battling it out
• Way more than feuding
• Not just squabbling
• Took on with alacrity
• Attacked, as a challenge
• Openly hostile
• Engaged in combat
• Beyond diplomatic niceties
• Engaged in armed conflict
• Fighting (with)
• More than bickering
• Really dug into
• Not enjoying peace
• Like feudal states, often