横向
1
Alloy of copper and tin used in early tools
4
Union formed for mutual benefit
5
Long and distinct period of history
6
Ancient Egyptian ruler
7
Military conflict or fight
8
Ancient Egyptian stone monument
10
Government ruled by a king or queen
14
Movement of people to new areas
纵向
2
Fortified medieval residence
3
Practice of establishing foreign colonies
9
Period of one hundred years
11
Deadly epidemic disease
12
Large territory under one ruler
13
Handwritten historical document
15
Armed conflict between nations