The reforms he got the ruler to accept organizing revenue collection, dismantling slavery, regulating land were precisely the changes Birch had sought but for which his arrogant approach got him murdered.
Birch's lack of knowledge and customs prevented his effort of eliminating slavery.
mnli hypothesis: Birch's lack of knowledge and customs prevented his effort of eliminating slavery. premise: The reforms he got the ruler to accept organizing revenue collection, dismantling slavery, regulating land were precisely the changes Birch had sought but for which his arrogant approach got him murdered.