横向
1
Medieval land-for-service system
4
Ancient Egyptian ruler
5
Person who buys and sells goods
6
Sudden overthrow of a government
7
Territory controlled by another country
9
Succession of rulers from same family
11
Person owned as property
纵向
2
Military conflict or fight
3
Formal agreement between nations
5
Relating to the Middle Ages
8
Government elected by the people
10
Advanced stage of human society
12
Government by the people
13
Fundamental law of a nation