横向
1
Collection of traditional stories
3
Armed conflict between nations
5
Sudden overthrow of a government
6
Medieval land-for-service system
9
Large territory under one ruler
12
Long and distinct period of history
纵向
2
Exchange of goods between peoples
4
Uprising against authority
7
Period of ten years
8
Male monarch ruler
10
Succession of rulers from same family
11
Government by the people