Complex sentence: Their limited agricultural staples were comparable to the previous Adena peoples, with most of its emphasis on vining crops like the climbing string bean, pumpkins (a winter squash) along with some of the earlier summer squashes.
Split into simpler sentences: Their limited agricultural staples were comparable to the previous Adena peoples. Followingly, most of its emphasis was on vining crops like the climbing string bean, pumpkins (a winter squash) along with some of the earlier summer squashes.