How do aggression, mental illness, alcoholism, gun culture, and racial violence intersect—especially among white men in the context of colonization?

I’ve been thinking a lot about how different social forces interact: aggression, mental illness, alcoholism, gun ownership, and racial violence. In the U.S. especially, it feels like these issues often overlap in very specific ways, particularly with white men and the historical legacy of colonization.

I’m not trying to stereotype individuals, but to understand structures:

• How did colonial history shape norms around masculinity, domination, and violence?
• Why do we see such strong cultural ties between white male identity and gun ownership?
• How do mental illness and alcoholism play into this—are they causes, symptoms, or both?
• And how much of today’s racial violence is rooted in unresolved historical trauma and entitlement?

I’m curious how others see these intersections. Are these patterns cultural, historical, psychological, or something else?