ony ▁was ▁founded ▁mainly ▁by ▁plan ters ▁from ▁the ▁over pop ulated ▁English ▁sugar ▁island ▁of ▁Barb ados , ▁who ▁brought ▁relatively ▁large ▁numbers ▁of ▁African ▁slaves ▁from ▁that ▁island ▁to ▁establish ▁new ▁plant ations . ▁ ▁To ▁meet ▁agricult ural ▁labor ▁needs , ▁colon ists ▁also ▁pract iced ▁Indian ▁sla very ▁for ▁some ▁time . ▁ ▁The ▁Carol ini ans ▁transformed ▁the ▁Indian ▁slave ▁trade ▁during ▁the ▁late ▁ 1 7 th ▁and ▁early ▁ 1 8 th ▁centuries ▁by ▁tre ating ▁such ▁slaves ▁as ▁a ▁trade ▁comm od ity ▁to ▁be ▁export ed , ▁mainly ▁to ▁the ▁West ▁Ind ies . ▁Histor ian ▁Alan ▁Gall ay ▁estimates ▁that ▁between ▁ 1 6 7 0 ▁and ▁ 1 7 1 5 , ▁between ▁ 2 4 , 0 0 0 ▁and ▁ 5 1 , 0 0 0 ▁capt ive ▁Native ▁Americans ▁were ▁export ed ▁from ▁South ▁Carolina — m uch ▁more ▁than ▁the ▁number ▁of ▁Afr icans ▁imported ▁to ▁the ▁colon ies ▁of ▁the ▁future ▁United ▁States ▁during ▁the ▁same ▁period . ▁ ▁New ▁England ▁S la ves , ▁African ▁and ▁Native ▁American , ▁made ▁up ▁a ▁smaller ▁part ▁of ▁the ▁New ▁England ▁economy , ▁which ▁was ▁based ▁on ▁ye oman ▁far ming ▁and ▁tr ades , ▁and ▁a ▁smaller ▁fraction ▁of ▁the ▁population , ▁but ▁they ▁were ▁present . ▁The ▁Pur it ans ▁cod ified ▁sla very ▁in ▁ 1 6 4 1 . ▁ ▁The ▁Massachusetts ▁royal ▁col ony ▁passed ▁the ▁Body ▁of ▁Libert ies , ▁which ▁prohib ited