横向
1
Practice of establishing foreign colonies
4
Period of ten years
6
Medieval land-for-service system
8
Sudden overthrow of a government
10
Territory controlled by another country
纵向
2
Formal agreement between nations
3
Succession of rulers from same family
4
Government by the people
5
Movement of people to new areas
7
Handwritten historical document
9
Person who buys and sells goods