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Era 3 Overview Video (9:39)

Key Ideas

As this video progresses, key ideas will be introduced to invoke discussion.

Key Ideas

Think about the following questions as you watch the video


  1. 01:48 This video begins by looking at the world in 6000 BCE and 700 CE. What does it argue had changed in between these years?
  2. 03:56 Why is the Amazon surprising place to start an era that focuses on cities, states, and long-distance trade networks? According to the video, what was happening in Tapajos after 350 BCE?
  3. 05:41 Watch the animation showing the development of cities around the world. This map may not be complete—we may still find more evidence of other cities—but in general, what kind of pattern does it show about where cities emerged first, and then later??
  4. 06:43 According to the video, why did the rise of cities lead to the rise of the state?
  5. 07:36 According to the video, what was the pattern by which networks of trade grew in this period? How did this help lead to changes in religion?
  6. 08:51 What were some of the disadvantages of living in a city and a state at this time?