Complex sentence: The area was a place of competition among historical Native Americans, as the Iroquois' invading from present-day New York drove out or conquered Fort Ancient-culture peoples, as well as such tribes as the Huron and Conoy.
Split into simpler sentences: The area was a place of competition among historical Native Americans. Iroquois invading from present-day New York drove out or conquered Fort Ancient-culture peoples, as well as such tribes as the Huron and Conoy.