There were houses made of adobe and stone , there were also multi -storied , apartment like structures. They also created dams, ditches, and canals to trap rain from tops of mesa channel to gardens on canyon floor. They also built roads for trading networks from Pueblo Bonito.
The Eastern Woodlands people lived in, Ohio , a valley region in the 700 BC . They grew squash, sunflowers, gourds, and they also grew barley.They made copper jewelry and fine pottery. they also elaborated burial mounds of log structures covered by piles of earth.
They built mounds that were as high as 40 feet and 100 feet wide. The Adena and HOPEWELL people were both referred as the MOUND BUILDERS. They were also suggested as the TRADE network. They lived around 300 BC in Ohio.
The Mississippians arrived in the Mississippi valley in 800 AD. They had plants that were used for many food, and when they added maize and beans they had an increase in population. Because of that they needed more land and that resulted in numerous cities with about 10,000 people. There was a massive aprox in the city of Cahokia, there was a 100 feet high base of more than 14 acres. The mounds were 120 feet smaller.