Colorado Advanced Dentistry

10 Notes and references By January 1 1808 when Congress banned further imports South Carolina was the only state that still allowed importation of slaves Congress allowed continued trade only in slaves who were descendants of those currently in the United States in addition US citizens could participate financially in the international slave trade and the outfitting of ships for that trade the domestic slave trade became extremely profitable as demand rose with the expansion of cultivation in the Deep South for cotton and sugar cane crops Slavery in the United States became more or less self-sustaining by natural increase among the current slaves and their descendants. .

. President Ulysses S Grant who as a young army lieutenant had served in Mexico under General Taylor recalled in his Memoirs published in 1885 that:. .