1. Looking at the evolution of human society during the Paleolithic Era, explain why hierarchical governments rarely developed. 2. Looking at the development of China during the Neolithic Period, describe the influence that isolation and fertile lands had on the culture of Yellow River civilizations and China in the future.

1. Looking at the evolution of human society during the Paleolithic Era, explain why hierarchical governments rarely developed. 2. Looking at the development of China during the Neolithic Period, describe the influence that isolation and fertile lands had on the culture of Yellow River civilizations and China in the future.