横向
1
Government elected by the people
5
Object made by humans from the past
6
Exchange of goods between peoples
7
Metal that replaced bronze in tools
8
Advanced stage of human society
9
Freedom from outside control
10
Military conflict or fight
11
Male monarch ruler
13
Practice of establishing foreign colonies
纵向
2
Roman arena fighter
3
Legislative assembly of a country
4
Movement of people to new areas
12
Territory controlled by another country