▁his ▁territory , ▁establish ing ▁churches ▁( follow ing ▁the ▁Catholic ▁faith ), ▁protect ing ▁them ▁from ▁frequent ▁pir ate ▁attacks , ▁and ▁prom oting ▁agricult ure ▁and ▁commerce . ▁While ▁the ▁don at ário ▁assumed ▁exp enses ▁of ▁the ▁settlement ▁and ▁economic ▁development , ▁he ▁also ▁benef ited ▁from ▁various ▁jud icial ▁and ▁fis cal ▁privileges , ▁while ▁the ▁King ▁maintained ▁certain ▁un al ien able ▁rights ▁to ▁saf egu ard ▁the ▁territorial ▁and ▁political ▁unity ▁of ▁the ▁Kingdom . ▁Ex cept ▁for ▁private ▁land ▁gr ants , ▁the ▁territory ▁administr ated ▁by ▁the ▁don at ário ▁was ▁turned ▁over ▁to ▁sett lers ▁and ▁the ▁best owed ▁was ▁responsible ▁for ▁all ▁the ▁exp enses ▁of ▁the ▁Captain cy . ▁ ▁Al most ▁dict atorial ▁in ▁their ▁powers , ▁the ▁don at ários ▁were ▁limited ▁by ▁the ▁difficulties ▁of ▁the ▁territ ories ▁they ▁govern ed . ▁With ▁the ▁Brazil ian ▁territ ories , ▁which ▁were ▁large , ▁the ▁don at ários ' ▁oblig ations ▁covered ▁the ▁governor ship , ▁expansion ▁and ▁settlement ▁of ▁the ▁territory , ▁necess it ating ▁a ▁large ▁labour ▁force , ▁security ▁forces ▁and ▁administr ators . ▁Many ▁of ▁the ▁new ▁sett lers ▁were ▁crim inals , ▁opportun ists ▁or ▁political ▁ex iles ▁who ▁arrived ▁in ▁these ▁territ ories ▁to ▁make ▁their ▁fort unes ▁( com mer cially ▁or ▁polit ically ). ▁At ▁the ▁same ▁time , ▁the ▁don at ário ▁promoted ▁the ▁faith ▁by ▁receiving ▁and ▁assist ing ▁the ▁Catholic ▁mission aries ▁that ▁tre kk ed ▁across ▁the ▁Portuguese