横向
1
Ancient empire that conquered much of Europe
3
Territory controlled by another country
4
Legislative body in ancient Rome
5
Roman arena fighter
7
Medieval land-for-service system
9
Metal that replaced bronze in tools
纵向
2
Practice of farming and growing food
3
Period of one hundred years
4
Person owned as property
6
Period of ten years
8
Male monarch ruler
10
Armed conflict between nations
11
Sudden overthrow of a government