横向
1
Union formed for mutual benefit
5
Ancient Mesoamerican civilization
6
Armed entry into another territory
7
Movement of people to new areas
10
Armored warrior of medieval times
13
Deadly epidemic disease
14
Large territory under one ruler
15
Long and distinct period of history
纵向
2
Legislative assembly of a country
3
Ancient Egyptian ruler
4
Alloy of copper and tin used in early tools
8
Male monarch ruler
9
Metal that replaced bronze in tools
11
Person who buys and sells goods
12
Military conflict or fight