横向
1
Succession of rulers from same family
3
Long and distinct period of history
5
Freedom from outside control
6
Fortified medieval residence
7
Government elected by the people
10
Ancient Mesoamerican civilization
纵向
1
Government by the people
2
Armored warrior of medieval times
4
Armed entry into another territory
8
Roman arena fighter
9
Ancient Egyptian picture writing
11
Metal that replaced bronze in tools
12
Armed conflict between nations