横向
1
Practice of establishing foreign colonies
7
Ancient Egyptian ruler
9
Practice of farming and growing food
10
Formal agreement between nations
12
Alloy of copper and tin used in early tools
13
Metal that replaced bronze in tools
纵向
2
Government ruled by a king or queen
3
Period of ten years
4
Handwritten historical document
5
Legislative body in ancient Rome
6
Advanced stage of human society
8
Military conflict or fight
11
Movement of people to new areas