横向
1
Metal that replaced bronze in tools
3
Long and distinct period of history
6
Large territory under one ruler
7
Sudden overthrow of a government
8
Fundamental law of a nation
13
Handwritten historical document
纵向
2
Formal agreement between nations
4
Union formed for mutual benefit
5
Government elected by the people
9
Collection of traditional stories
10
Person owned as property
11
Government by the people
12
Ancient Mesoamerican civilization
14
Medieval religious military campaign