Day 17: How do trade goods, innovation, and culture spread along trade routes?
Day 18: To what extent does the environment shape human societies?
Day 19: What makes something a center of gravity?
Day 20: How do centers of gravity affect their neighbors?
Day 21: In what ways were major post-classical cities similar to and different from each other?
Day 23: How did the Columbian Exchange change the world?
Day 24: How did societies engage in trade differently after Columbus?
Day 25: How did the plantation system work?
Day 27: How did the global silver trade work?
Day 28: What kinds of conflicts were sparked by trade in the early modern era?
Days 30-33: To what extent did interregional trade change after the Columbian Exchange?