横向
1
Armed conflict between nations
3
Freedom from outside control
5
Practice of farming and growing food
9
Object made by humans from the past
12
Payment made to show submission
纵向
2
Government elected by the people
4
Long and distinct period of history
6
Metal that replaced bronze in tools
7
Ancient Egyptian ruler
8
Alloy of copper and tin used in early tools
10
Territory controlled by another country
11
Medieval religious military campaign