横向
1
Person owned as property
4
Long and distinct period of history
5
Freedom from outside control
6
Armed conflict between nations
11
Practice of farming and growing food
12
Union formed for mutual benefit
13
Ancient Mesoamerican civilization
纵向
2
Territory controlled by another country
3
Medieval religious military campaign
7
Deadly epidemic disease
8
Period of ten years
9
Uprising against authority
10
Advanced stage of human society
14
Metal that replaced bronze in tools
15
Ancient Egyptian stone monument