Complex sentence: The crown had created a new administrative regime as part of its civil reforms so that in indigenous communities the parish priest, who under the Hapsburgs had functioned as a representative of both the Church and the crown, were now supplanted by civil authorities.
Split into simpler sentences: The crown had created a new administrative regime as part of its civil reforms. In indigenous communities the parish priest, who under the Hapsburgs had functioned as a representative of both the Church and the crown, was now supplanted by civil authorities.