横向
1
Ancient Mesoamerican civilization
5
Government elected by the people
6
Movement of people to new areas
7
Legislative body in ancient Rome
8
Practice of farming and growing food
9
Relating to the Middle Ages
纵向
2
Ancient empire that conquered much of Europe
3
Belonging to a very old period
4
Formal agreement between nations
10
Alloy of copper and tin used in early tools
11
Object made by humans from the past
12
Ancient Egyptian stone monument
13
Large territory under one ruler