nostr:npub1mh5a6mhm4u78glqxhltq7uexv6kddphycthlguvn0ux8ch72tc8q6q233h nostr:npub1dgqc52h68p7m2uar5yxmc2gp67rcjmlwm6yjr4xt3m4jg4k4rmdshr7aev nostr:npub1e0h8n6ugvmd76a9susnj5xkxfvw55x7hfgdplr6dtuurraa55g3s5lzqep yes, basically, customs and border security, national defense, foreign affairs and interstate commerce (but Interstate commerce regulation could be drastically trimmed in scope)

There are some grey areas though that if continued might need to be somewhat centralized for concentration of resources (like maintaining the highway system. in some states large low density states, the cost would be impossible and non residents benefit more than residents, etc.