横向
1
Ancient Mesoamerican civilization
4
Long and distinct period of history
5
Armed entry into another territory
6
Legislative assembly of a country
9
Armored warrior of medieval times
10
Fundamental law of a nation
纵向
2
Object made by humans from the past
3
Legislative body in ancient Rome
7
Person owned as property
8
Alloy of copper and tin used in early tools
11
Sudden overthrow of a government
12
Metal that replaced bronze in tools