横向
1
Payment made to show submission
4
Person with no fixed home
6
Person who buys and sells goods
7
Sudden overthrow of a government
8
Ancient Mesoamerican civilization
9
Government ruled by a king or queen
纵向
2
Succession of rulers from same family
3
Armed entry into another territory
5
Long and distinct period of history
6
Handwritten historical document
10
Male monarch ruler
11
Period of ten years
12
Medieval land-for-service system