横向
1
Person owned as property
3
Handwritten historical document
4
Succession of rulers from same family
5
Large territory under one ruler
8
Movement of people to new areas
10
Period of one hundred years
纵向
2
Advanced stage of human society
6
Exchange of goods between peoples
7
Payment made to show submission
8
Ancient Mesoamerican civilization
9
Fortified medieval residence
11
Uprising against authority