横向
1
Male monarch ruler
3
Government by the people
4
Exchange of goods between peoples
7
Succession of rulers from same family
8
Armed entry into another territory
10
Person with no fixed home
11
Deadly epidemic disease
纵向
2
Government ruled by a king or queen
5
Large territory under one ruler
6
Legislative body in ancient Rome
9
Advanced stage of human society
12
Territory controlled by another country