横向
1
Belonging to a very old period
4
Deadly epidemic disease
5
Roman arena fighter
7
Practice of establishing foreign colonies
9
Military blockade of a fortified place
12
Fundamental law of a nation
纵向
2
Armed entry into another territory
3
Advanced stage of human society
6
Payment made to show submission
8
Long and distinct period of history
10
Period of ten years
11
Object made by humans from the past