横向
1
Person who buys and sells goods
4
Territory controlled by another country
5
Metal that replaced bronze in tools
6
Fundamental law of a nation
7
Medieval land-for-service system
8
Belonging to a very old period
纵向
2
Uprising against authority
3
Ancient Mesoamerican civilization
4
Advanced stage of human society
6
Medieval religious military campaign
9
Deadly epidemic disease
