Complex sentence: Living at Running Water enabled him to meet and operate with the Shawnee band of Chiksika and his brother Tecumseh, with which he most often went on raids and forays during the time they were at Running Water.
Split into simpler sentences: Living at Running Water enabled him to meet and operate with the Shawnee band of Chiksika and his brother Tecumseh. Benge often went with them on raids and forays during the time they were at Running Water.