"Aggression" is an objective measure. There is no subjectivity who starts a war and wo is in another country's territory. Those are observable facts.
And obviously Russia did not believe Ukraine to be a threat - or they would have not done this haphazard invasion with too little preparation and too few soldiers, so there is no excuse.
And obviously Russia did not believe Ukraine to be a threat - or they would have not done this haphazard invasion with too little preparation and too few soldiers, so there is no excuse.