横向
1
Military blockade of a fortified place
3
Advanced stage of human society
7
Military conflict or fight
9
Government elected by the people
10
Exchange of goods between peoples
纵向
1
Legislative body in ancient Rome
2
Formal agreement between nations
4
Person owned as property
5
Medieval land-for-service system
6
Period of ten years
8
Long and distinct period of history
11
Medieval religious military campaign