Every ship carrying slaves that was registered in the USA and home ported in New England.
That is the thing with northern RINO occupational licensing corruption business, that chamber of commerce loves the illegals and slave business.
Southern cities like Charleston, SC, had thriving ship-building & shipping industries which began to fade away at about the same time (1807) the United States made it illegal to import slaves from abroad.
Restoring both the international slave-trade and Southern shipping was a major objective of secessionists in 1860.
Yep. And the majority of wealth generated in the New England states was from selling Salt-Cod to Caribbean slave plantations in exchange for Molasses that was distilled into Rum and sold back to England.