You have not truly shipped anything until you have tried to ship international cargo via a container ship :D Lemme guess: delayed by Chinese New Year, held hostage by pirates, now in Covid-19 quarantine? :D (I just might have you beat though. I once had occasion to ship some military hardware acros...
You also have a North American thematic category with the following lists: Mound Builder American 1100 to 1701 AD Eastern Forest American 1100 to 1701 AD North-Western American 1100 to 1770 AD Northern Maritime Pacific North American 1100 to 1770 AD Central and Southern Maritime Pacific North Americ...
Seems to me there already are a bunch of North American lists - the Eastern Forest one, the Mound Builder one, three Pacific ones, and a North-Western American one I rather wonder how it relates to the Pacific ones.