Answer:
To pursue its constitutional power in the territory
Explanation:
The federal Government establishing district courts in territories is in pursuance of the constitutional rights of the Federal Government under the Article 1, section 8, clause 9.
These district courts were seen as legislative courts which were lesser when compared to supreme courts that are established by Article III of the constitution.The main purpose of the establishment of a district court in Indian territory was to pursue the constitutional rights of the federal Government in the Indian territories
