Which behavior is both territorial and used for courtship?

Responses

baring teeth as a sign of aggression
baring teeth as a sign of aggression

dance rituals with potential partners
dance rituals with potential partners

sparring or wrestling using antlers or horns
sparring or wrestling using antlers or horns

defending a nest from predators

None of the behaviors listed are both territorial and used for courtship. The behavior that is both territorial and used for courtship is marking or scent marking.