横向
1
Deadly epidemic disease
4
Territory controlled by another country
5
Object made by humans from the past
9
Exchange of goods between peoples
11
Relating to the Middle Ages
13
Alloy of copper and tin used in early tools
纵向
2
Ancient Mesoamerican civilization
3
Sudden overthrow of a government
6
Government elected by the people
7
Military conflict or fight
8
Freedom from outside control
10
Collection of traditional stories
12
Uprising against authority
