Complex sentence: The Kansas City Hopewell peoples grew a variety of domesticated plants, including squash and marshelder, but the majority of their diet seems to have come from wild resources such as seeds, nuts, deer, raccoon, and turkey.
Split into simpler sentences: The Kansas City Hopewell peoples grew a variety of domesticated plants, including squash and marshelder. The majority of their diet seems to have come from wild resources such as seeds, nuts, deer, raccoon, and turkey.