▁service , ▁the ▁Mer c ant ile ▁Agency , ▁a ▁prede cess or ▁of ▁Dun ▁and ▁Brad street . ▁ ▁Phil anth rop ic ▁and ▁abol ition ist ▁activity ▁The ▁T app an ▁brothers ▁made ▁their ▁mark ▁in ▁commerce ▁and ▁in ▁abol ition ism . ▁Through out ▁their ▁care ers , ▁the ▁T app ans ▁devoted ▁time ▁and ▁money ▁to ▁phil anth rop ic ▁causes ▁as ▁diverse ▁as ▁temper ance , ▁the ▁abol ition ▁of ▁sla very , ▁and ▁their ▁support ▁of ▁new ▁colleg es ▁in ▁what ▁was ▁then ▁the ▁west ▁of ▁the ▁country : ▁success ively , ▁the ▁One ida ▁Institute , ▁Lane ▁The ological ▁Sem inary , ▁the ▁Lane ▁Reb els ▁at ▁C umm ins ville , ▁Ohio , ▁and ▁Ober lin ▁Colleg iate ▁Institute . ▁Their ▁belief s ▁about ▁obser ving ▁S abb ath ▁extended ▁to ▁campaign s ▁against ▁providing ▁stage co ach ▁service ▁and ▁mail ▁deliver ies ▁on ▁Sund ays . ▁ ▁In ▁ 1 8 3 3 , ▁while ▁a ▁principal ▁owner ▁of ▁the ▁Journal ▁of ▁Com merce , ▁Arthur ▁T app an ▁al lied ▁with ▁William ▁Lloyd ▁G arrison ▁and ▁co - f ounded ▁the ▁American ▁Anti - S la very ▁Society . ▁Arthur ▁served ▁as ▁its ▁first ▁president , ▁and ▁there ▁was ▁in ▁ 1 8 3 5 ▁a ▁reward ▁of ▁$ 2 0 , 0 0 0 ▁() ▁for ▁his ▁capture ▁and ▁delivery ▁to ▁New ▁Orleans . ▁ ▁He ▁res igned ▁in ▁ 1 8 4 0 ▁because ▁of ▁his ▁opposition ▁to ▁the ▁society '