Holy wars usurp all holdings from infidels.Minor holdings in occupied counties are also usurped. Invasion-type wars usurp occupied territory in addition to the war's stated target.They try to make the current rulers into vassals, but usurp if they cannot, due to the attacker's low rank or the defender holding territory elsewhere. De jure wars on counties, as well as subjugation-type wars, vassalize or usurp the target titles.Pressing another's claim makes them your vassal if they are lower rank, and: they are your de jure vassal, or of your dynasty, or already your landed vassal.Pressing a personal claim usurps the title.Warfare is a primary way to expand your realm, as most CBs can give you new territory:
