横向
1
Succession of rulers from same family
2
Ancient Egyptian ruler
3
Practice of farming and growing food
8
Union formed for mutual benefit
9
Sudden overthrow of a government
11
Military blockade of a fortified place
纵向
2
Deadly epidemic disease
4
Military conflict or fight
5
Exchange of goods between peoples
6
Metal that replaced bronze in tools
7
Medieval religious military campaign
10
Ancient Mesoamerican civilization
12
Ancient Egyptian picture writing