横向
1
Large territory under one ruler
4
Government elected by the people
6
Metal that replaced bronze in tools
7
Ancient Egyptian stone monument
8
Period of ten years
9
Period of one hundred years
11
Person who travels to discover new lands
纵向
2
Practice of establishing foreign colonies
3
Alloy of copper and tin used in early tools
4
Sudden overthrow of a government
5
Legislative assembly of a country
10
Succession of rulers from same family