横向
1
Ancient Egyptian stone monument
5
Ancient Mesoamerican civilization
6
Metal that replaced bronze in tools
8
Person with no fixed home
9
Medieval land-for-service system
纵向
1
Deadly epidemic disease
2
Period of one hundred years
3
Male monarch ruler
4
Practice of establishing foreign colonies
7
Union formed for mutual benefit
10
Succession of rulers from same family
11
Armed conflict between nations
12
Large territory under one ruler