横向
1
Practice of establishing foreign colonies
7
Movement of people to new areas
9
Ancient Egyptian stone monument
11
Ancient empire that conquered much of Europe
纵向
2
Metal that replaced bronze in tools
3
Fortified medieval residence
4
Territory controlled by another country
5
Ancient Mesoamerican civilization
6
Armored warrior of medieval times
8
Large territory under one ruler
10
Long and distinct period of history