横向
1
Metal that replaced bronze in tools
4
Armed conflict between nations
5
Practice of farming and growing food
6
Roman arena fighter
11
Practice of establishing foreign colonies
纵向
2
Handwritten historical document
3
Person with no fixed home
7
Ancient empire that conquered much of Europe
8
Government elected by the people
9
Movement of people to new areas
10
Medieval religious military campaign
12
Armed entry into another territory