They lacked knowledge about the land and how to use their environment to survive.
Your answer is B. The Roman Empire was divided into western and eastern halves. The western half was taken over, and the eastern half became the Byzantine Empire.
C) The highest point of Incan villages was used for religious purposes.
Take walks or bike rides to places nearby, if house has windows use them as light, use windows in car as air. Hope all these helped!
