▁by ▁the ▁Constitution ▁to ▁feder ally ▁ban ▁the ▁import ▁slave ▁trade ), ▁all ▁states ▁( except ▁South ▁Carolina ) ▁had ▁b anned ▁the ▁international ▁bu ying ▁or ▁s elling ▁of ▁slaves . ▁Act ing ▁on ▁the ▁advice ▁of ▁President ▁Thomas ▁Jefferson , ▁who ▁den ounced ▁the ▁international ▁trade ▁as ▁" vi ol ations ▁of ▁human ▁rights ▁which ▁have ▁been ▁so ▁long ▁continued ▁on ▁the ▁un off ending ▁inhabitants ▁of ▁Africa , ▁in ▁which ▁the ▁mor ality , ▁the ▁reputation , ▁and ▁the ▁best ▁interests ▁of ▁our ▁country ▁have ▁long ▁been ▁eager ▁to ▁pro scribe ", ▁in ▁ 1 8 0 7 ▁Congress ▁also ▁b anned ▁the ▁international ▁slave ▁trade . ▁However , ▁the ▁domestic ▁slave ▁trade ▁continued ▁in ▁the ▁South . ▁It ▁brought ▁great ▁wealth ▁to ▁the ▁South , ▁especially ▁to ▁New ▁Orleans , ▁which ▁became ▁the ▁fourth ▁largest ▁city ▁in ▁the ▁country , ▁also ▁based ▁on ▁the ▁growth ▁of ▁its ▁port . ▁In ▁the ▁ante bell um ▁years , ▁more ▁than ▁one ▁million ▁ens la ved ▁African ▁Americans ▁were ▁transport ed ▁from ▁the ▁Upper ▁South ▁to ▁the ▁developing ▁Deep ▁South , ▁mostly ▁in ▁the ▁slave ▁trade . ▁Cot ton ▁culture , ▁dependent ▁on ▁sla very , ▁formed ▁the ▁basis ▁of ▁new ▁wealth ▁in ▁the ▁Deep ▁South . ▁ ▁In ▁ 1 8 4 4 ▁the ▁Qu aker ▁pet ition ▁was ▁redis cover ed ▁and ▁became ▁a ▁focus ▁of ▁the ▁bur geon ing ▁abol ition ist ▁movement . ▁ ▁E man cip ation ▁Pro clam ation ▁and ▁end ▁of ▁sla very ▁in ▁the