Key Ideas

Think about the following questions as you watch the video

1. 01:27 According to this video, how do historians use themes?
2. 04:03 According to this video, what’s one way that our environments shape human societies?
3. 05:45 How does Mansa Musa’s pilgrimage connect to the theme of cultural developments and interactions? What other themes does the story of Mansa Musa connect to?
4. 09:33 Why did Japanese merchants anger the aristocracy, and what was the result of this relationship?
5. 10:48 According to this video, who do we have to thank for eyeglasses and contact lenses?
6. 13:30 To which theme does Rachel’s example of the Aztec pochteca belong?