横向
1
Succession of rulers from same family
5
Military conflict or fight
7
Freedom from outside control
8
Practice of establishing foreign colonies
纵向
2
Medieval land-for-service system
3
Military blockade of a fortified place
4
Union formed for mutual benefit
6
Ancient Egyptian stone monument
9
Advanced stage of human society
10
Legislative body in ancient Rome
11
Formal agreement between nations
