After the US banned international slave importation in 1808 (effective 1808, but earlier in some states), bringing new slaves from Africa became illegal under federal law. Nevertheless, legal domestic slavery continued. The illegal act: smuggling slaves across borders. The famous case of the Schooner Amistad (1839) arose from an illegal slave shipment.
English ecclesiastical law required every person—slave or free—to receive Christian burial. In practice, many plantation owners buried enslaved people in unmarked, shallow pits without clergy or rites. This was technically a violation of church law, though no colonial court ever enforced it for the enslaved. skacat illegal aspects of legal slavery 18 best
After the Zong massacre (1781), regulations tried to limit slave-to-space ratios. Yet captains illegally packed up to 600 people onto ships designed for 200—a direct violation of British marine insurance laws, which required “reasonable accommodations.” Overcrowding caused death rates exceeding 25% per voyage. After the US banned international slave importation in