横向
1
Government elected by the people
6
Ancient empire that conquered much of Europe
7
Period of ten years
8
Belonging to a very old period
9
Military conflict or fight
10
Legislative body in ancient Rome
13
Succession of rulers from same family
纵向
2
Formal agreement between nations
3
Person who buys and sells goods
4
Uprising against authority
5
Deadly epidemic disease
6
Sudden overthrow of a government
11
Medieval land-for-service system
12
Union formed for mutual benefit