横向
1
Ancient Mesoamerican civilization
3
Government elected by the people
5
Military conflict or fight
6
Long and distinct period of history
7
Fortified medieval residence
8
Territory controlled by another country
纵向
2
Practice of establishing foreign colonies
3
Ancient empire that conquered much of Europe
4
Person who buys and sells goods
9
Object made by humans from the past
10
Advanced stage of human society