▁sla very ▁in ▁some ▁instances , ▁but ▁did ▁allow ▁three ▁legal ▁bases ▁of ▁sla very . ▁S la ves ▁could ▁be ▁held ▁if ▁they ▁were ▁capt ives ▁of ▁war ▁if ▁they ▁sold ▁themselves ▁into ▁sla very , ▁were ▁purchased ▁from ▁elsewhere , ▁or ▁if ▁they ▁were ▁sent enced ▁to ▁sla very ▁by ▁the ▁gover ning ▁authority . ▁The ▁Body ▁of ▁Libert ies ▁used ▁the ▁word ▁" str angers " ▁to ▁refer ▁to ▁people ▁bought ▁and ▁sold ▁as ▁slaves , ▁as ▁they ▁were ▁generally ▁not ▁English ▁subjects . ▁Col on ists ▁came ▁to ▁equ ate ▁this ▁term ▁with ▁Native ▁Americans ▁and ▁Afr icans . ▁ ▁New ▁York ▁and ▁New ▁Jersey ▁ ▁The ▁Dutch ▁West ▁India ▁Company ▁introduced ▁sla very ▁in ▁ 1 6 2 5 ▁with ▁the ▁import ation ▁of ▁eleven ▁ens la ved ▁black s ▁who ▁worked ▁as ▁far mers , ▁fur ▁trad ers , ▁and ▁build ers ▁to ▁New ▁Amsterdam ▁( present ▁day ▁New ▁York ▁City ), ▁capital ▁of ▁the ▁nas cent ▁province ▁of ▁New ▁Nether land . ▁The ▁Dutch ▁col ony ▁expanded ▁across ▁the ▁North ▁River ▁( H ud son ▁River ) ▁to ▁Ber gen ▁( in ▁today ' s ▁New ▁Jersey ). ▁Later , ▁slaves ▁were ▁also ▁held ▁priv ately ▁by ▁sett lers ▁in ▁the ▁area . ▁Although ▁ens la ved , ▁the ▁Afr icans ▁had ▁a ▁few ▁basic ▁rights ▁and ▁families ▁were ▁usually ▁kept ▁int act . ▁They ▁were ▁admitted ▁to ▁the ▁Dutch ▁Re formed ▁Church ▁and ▁married ▁by ▁its ▁minister s , ▁and ▁their ▁children ▁could ▁be ▁bapt