ce ut ics ), ▁a ▁required ▁condition ▁during ▁chemical ▁dissol ution ▁tests ▁ ▁H s inking , ▁former ▁name ▁of ▁the ▁Chinese ▁city ▁Ch ang ch un ▁ ▁S ink ▁( disambiguation ) <0x0A> </s> ▁A ▁ ▁( Port ug uese ▁for ▁" don ated " ▁or ▁" end owed ▁[ one ] "), ▁sometimes ▁ang lic ized ▁as ▁don at ary , ▁was ▁a ▁private ▁person — o ften ▁a ▁noble — who ▁was ▁granted ▁a ▁considerable ▁piece ▁of ▁land ▁( a ▁) ▁by ▁the ▁Kingdom ▁of ▁Portugal . ▁The ▁king ▁ex empt ed ▁these ▁title hold ers ▁from ▁normal ▁colonial ▁administration ; ▁the ▁don at ários ▁were ▁compar able ▁to ▁a ▁royal ▁governor ▁or ▁a ▁British ▁Lord ▁Prop ri et or . ▁As ▁the ▁don at aria ▁were ▁often ▁captain cies , ▁the ▁position ▁is ▁also ▁translated ▁as ▁captain . ▁ ▁History ▁▁ ▁Norm ally , ▁the ▁don at ário ▁was ▁the ▁recip ient ▁of ▁a ▁captain cy , ▁a ▁territorial ▁division ▁and ▁land ▁grant , ▁within ▁Portuguese ▁colon ies . ▁It ▁was ▁an ▁effective ▁administrative ▁system ▁that ▁c eded ▁certain ▁rights ▁and ▁respons ib ilities ▁to ▁the ▁don at ário , ▁facil it ating ▁the ▁settlement ▁of ▁un pop ulated ▁places ▁with ▁little ▁cost ▁to ▁the ▁Crown . ▁ ▁The ▁don at ário ▁was ▁oblig ated ▁to ▁govern ▁his ▁territ ories ▁under ▁specific ▁terms : ▁in ▁exchange ▁for ▁the ▁grant , ▁he ▁received ▁tax ▁imm unity , ▁but ▁was ▁also ▁responsible ▁for ▁prom oting ▁and ▁sett ling ▁new ▁residents ▁to