横向
1
Legislative body in ancient Rome
5
Ancient Mesoamerican civilization
6
Large territory under one ruler
7
Union formed for mutual benefit
8
Male monarch ruler
9
Movement of people to new areas
10
Long and distinct period of history
12
Military blockade of a fortified place
纵向
2
Alloy of copper and tin used in early tools
3
Object made by humans from the past
4
Belonging to a very old period
11
Person owned as property
13
Relating to the Middle Ages