Federal preemption: Federal preemption is when federal law takes precedence over state or local laws on a particular issue. In this case, it refers to the federal government having authority over regulating firearms instead of state or local governments.
Local autonomy: Local autonomy is the ability of local governments to make decisions and set policies independently within their own jurisdiction.
Nationwide consistency: Nationwide consistency refers to having uniformity or similarity in regulations across all states or jurisdictions within a country.