agree with this red tribers tweeting "haha bring the civil war, blue cities don't grow food" are idjits Cambridge MA already gets its lamb from NZ and its tomatoes from Chile and its ham from Spain container ships + federal reserve + ports = you can't starve Blue outhttps://twitter.com/extradeadjcb/status/1337830860750458887 …
Beyond social tech (which I'm sure other countries would be eager to move away from the US versions of) another huge product from blue states are cultural products - always with the dual themes emphasized by the flags flying on the embassy