横向
1
Roman arena fighter
2
Ancient empire that conquered much of Europe
4
Union formed for mutual benefit
5
Military blockade of a fortified place
6
Practice of establishing foreign colonies
7
Military conflict or fight
12
Territory controlled by another country
纵向
2
Government elected by the people
3
Long and distinct period of history
7
Alloy of copper and tin used in early tools
8
Person who buys and sells goods
9
Exchange of goods between peoples
10
Male monarch ruler
11
Fundamental law of a nation
13
Person with no fixed home