Do acts of violence by left-leaning groups reflect an inherent trait?

Political violence occurs across the spectrum, with historical examples from left-wing groups like Antifa and BLM protesters clashing with police or counter-demonstrators in the US and UK, as well as right-wing extremism and state actions. Academic studies on ideology and aggression show no consensus that any political leaning is 'by nature' violent; behaviour often ties to specific triggers like protests over inequality or policy. The question remains inherently subjective, as human nature debates span psychology, history, and philosophy without definitive proof for any side.