Belligerence often implies a negative, unwelcome attitude that can provoke others. His belligerence at the meeting created an uncomfortable atmosphere.
Pro Tip 2/3
Personal Conflict
It's used when someone shows readiness to start a personal argument or fight. Her belligerence has cost her a lot of friendships.
Pro Tip 3/3
Not Physical
Belligerence doesn't always mean physical fighting; it can be verbal or psychological. Their team's belligerence in negotiations upset the other company.