横向
1
Movement of people to new areas
6
Metal that replaced bronze in tools
7
Collection of traditional stories
8
Large territory under one ruler
纵向
2
Person with no fixed home
3
Fortified medieval residence
4
Ancient Egyptian ruler
5
Deadly epidemic disease
9
Military blockade of a fortified place
10
Ancient Mesoamerican civilization
11
Person who travels to discover new lands