横向
1
Ancient empire that conquered much of Europe
4
Government by the people
6
Government elected by the people
8
Formal agreement between nations
12
Fundamental law of a nation
纵向
2
Medieval land-for-service system
3
Large territory under one ruler
5
Armed conflict between nations
7
Practice of farming and growing food
9
Practice of establishing foreign colonies
10
Territory controlled by another country
11
Ancient Egyptian ruler