Human Aggression as a Factor of Violence Acts It is discussed the issue of human aggression as an initiating factor of violence within society. Aggression is a biologic phenomenon with social consequences; characterized by a bio-effective mood and reacts to certain surrounding situations. The aggression itself should not be understood only as a negative or destructive behavior, but can also be used as a method of human defense. The social threat of infractions toward someone, determines the necessity for taking appropriate measures together with specialists from various science fields.