▁cam ps ▁set ▁up ▁mostly ▁by ▁the ▁Soviet ▁NK VD ▁at ▁the ▁former ▁Naz i ▁slave - l abor ▁cam ps ▁in ▁Gre ater ▁Poland ▁and ▁across ▁S iles ia , ▁but ▁the ▁numbers ▁reaching ▁or ▁ever ▁exceed ing ▁ 1 , 0 0 0 ▁have ▁no ▁grounds ▁in ▁reality . ▁ ▁Disc ourse ▁According ▁to ▁Hol oca ust ▁writer ▁Daniel ▁Gold hagen ' s ▁review ▁of ▁the ▁book ▁in ▁The ▁New ▁Republic , ▁most ▁of ▁the ▁people ▁working ▁in ▁these ▁cam ps ▁were ▁not ▁Jewish ▁and ▁Gold hagen ▁argued ▁S ack ▁did ▁his ▁best ▁to ▁conce al ▁this . ▁Gold hagen ▁c ited ▁a ▁November ▁ 1 9 4 5 ▁report ▁that ▁only ▁ 1 . 7 % ▁of ▁the ▁members ▁of ▁the ▁Office ▁of ▁State ▁Security ▁were ▁Jews ▁as ▁ref ut ation ▁of ▁S ack ' s ▁figure ▁of ▁ 7 5 %. ▁S ack ▁respond ed ▁that ▁he ▁had ▁stated ▁his ▁figure ▁for ▁officers ▁in ▁K att ow itz ▁in ▁February , ▁not ▁all ▁members ▁in ▁November , ▁and ▁that ▁he ▁had ▁also ▁written ▁that ▁hundreds ▁of ▁Jews ▁left ▁O SS ▁during ▁the ▁year . ▁S ack ▁said ▁that ▁he ▁attempted ▁to ▁publish ▁a ▁response ▁in ▁a ▁letter ▁to ▁the ▁editor ▁of ▁The ▁New ▁Republic ▁but ▁the ▁magazine ▁refused ▁it . ▁S ack ▁said ▁that ▁The ▁New ▁Republic ▁agreed ▁to ▁publish ▁his ▁reply ▁as ▁an ▁advert is ement , ▁but ▁later ▁revers ed ▁its ▁position . ▁ ▁S ack ▁has ▁respond ed ▁to ▁American ▁critics ▁of ▁the ▁book ▁who ▁say