横向
1
Territory controlled by another country
5
Belonging to a very old period
7
Ancient empire that conquered much of Europe
8
Movement of people to new areas
9
Formal agreement between nations
11
Government elected by the people
12
Military conflict or fight
13
Long and distinct period of history
纵向
2
Government by the people
3
Male monarch ruler
4
Advanced stage of human society
6
Medieval land-for-service system
10
Handwritten historical document