Complex sentence: As Native Hawaiians settled the area, they fished, raised taro for "poi", planted coconuts, sugarcane, sweet potatoes and yams, and cooked meat and fish in earth ovens.
Split into simpler sentences: As Native Hawaiians settled the area, they fished, raised taro for "poi". They planted coconuts, sugarcane, sweet potatoes and yams, and cooked meat and fish in earth ovens.