Explain the process of state building and decline in Eurasia over time
Explain how the expansion of empires influenced trade and communication over time.
Explain the significance of the Mongol Empire in larger patterns of continuity and change
Empires collapsed in different regions of the world and in some areas were replaced by new imperial states, including the Mongol khanates.
The expansion of empires--including the Mongols--facilitated trade and communication as new people were drawn into their conquerors' economies and trade networks.
Interregional contacts and conflicts between states and empires, including the Mongols, encouraged significant technological and cultural transfers