横向
1
Person who buys and sells goods
5
Deadly epidemic disease
6
Government elected by the people
9
Practice of establishing foreign colonies
10
Person owned as property
11
Alloy of copper and tin used in early tools
12
Medieval religious military campaign
纵向
1
Ancient Mesoamerican civilization
2
Legislative assembly of a country
3
Union formed for mutual benefit
4
Fundamental law of a nation
7
Person who travels to discover new lands
8
Ancient empire that conquered much of Europe