横向
1
Person owned as property
5
Handwritten historical document
6
Alloy of copper and tin used in early tools
7
Large territory under one ruler
8
Deadly epidemic disease
9
Armored warrior of medieval times
13
Person who travels to discover new lands
纵向
2
Government by the people
3
Practice of establishing foreign colonies
4
Sudden overthrow of a government
10
Legislative body in ancient Rome
11
Formal agreement between nations
12
Payment made to show submission