Written by someone who was not alive during that time

written from primary sources  

• Place: North America, Europe, Africa and South America

• Interactions of people in the region by exchange of goods, people and ideas across cultural and geographic borders

• Transformation from nomadic hunter and gatheres to settled down farming communities

• allowed for rise of urban centers, specialized occupations and development of arcitecture

• Tenochtitlan (Mexico City) - built city where Eagle eating serpent
• 250,000 people
• daily human sacrifice to insure daily return of the sun (fifth sun)

• 900 - 1150 C.E.
• build "Great Houses" in Chaco Canyon (New Mexico)
• elaborate trading network (turquoise)
• 15,000 ppl
• irregation for crops - water conservation and storage system
• climate change caused fall - broke into smaller groups and absorbed into other tribes