横向
1
Territory controlled by another country
3
Metal that replaced bronze in tools
4
Sudden overthrow of a government
5
Movement of people to new areas
7
Person with no fixed home
8
Handwritten historical document
9
Medieval religious military campaign
11
Armed conflict between nations
纵向
1
Practice of establishing foreign colonies
2
Government ruled by a king or queen
6
Exchange of goods between peoples
10
Large territory under one ruler