横向
1
Period of one hundred years
5
Large territory under one ruler
7
Military blockade of a fortified place
10
Armed entry into another territory
12
Exchange of goods between peoples
13
Ancient Mesoamerican civilization
纵向
2
Belonging to a very old period
3
Object made by humans from the past
4
Succession of rulers from same family
6
Government by the people
8
Person who travels to discover new lands
9
Freedom from outside control
11
Period of ten years