横向
1
Formal agreement between nations
4
Person owned as property
6
Person who buys and sells goods
7
Medieval land-for-service system
8
Sudden overthrow of a government
9
Ancient Mesoamerican civilization
10
Armed entry into another territory
纵向
2
Period of ten years
3
Territory controlled by another country
5
Legislative assembly of a country
11
Armored warrior of medieval times
12
Long and distinct period of history
13
Government elected by the people
14
Handwritten historical document