Complex sentence: Although the council's results were inconclusive, Otis resolved to remove Jack's band of Modocs back to the Klamath Reservation, but recommended waiting until the winter when the Modocs would be at a disadvantage.
Split into simpler sentences: Although the council's results were inconclusive, Otis resolved to remove Jack's band of Modocs back to the Klamath Reservation. He recommended waiting until the winter when the Modoc would be at a disadvantage.