Complex sentence: This confrontation was due in part to the state of Montana not honoring off reservation hunting permits and the miscommunication between the Pend d'Oreilles and the game warden regarding their right to hunt outside reservation boundaries.
Split into simpler sentences: This confrontation was due in part to the state of Montana not honoring off-reservation hunting permits. There was miscommunication between the Pend d'Oreilles and the game warden regarding their right to hunt outside reservation boundaries.