Cookie Policy

Our website uses cookies to understand content and feature usage to drive site improvements over time. To learn more, review our Terms of Use and Privacy Policy.

How Did the World Become Interconnected?

How Did the World Become Interconnected? (5:40)

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. 00:36 Why did collective learning speed up during the agrarian era?
  2. 01:36 How did new communication and transportation innovations help collective learning?
  3. 03:11 How did the diseases that traveled along the Silk Road and Indian Ocean routes both hurt and help people?
  4. 04:46 How were the hub zones in the Americas different from those in Afro-