横向
1
Medieval religious military campaign
4
Movement of people to new areas
5
Alloy of copper and tin used in early tools
8
Government elected by the people
12
Union formed for mutual benefit
13
Handwritten historical document
14
Ancient Mesoamerican civilization
纵向
2
Metal that replaced bronze in tools
3
Exchange of goods between peoples
5
Military conflict or fight
6
Legislative assembly of a country
7
Armed conflict between nations
9
Object made by humans from the past
10
Person who travels to discover new lands
11
Government by the people