横向
1
Exchange of goods between peoples
2
Medieval religious military campaign
3
Ancient Mesoamerican civilization
6
Armed entry into another territory
8
Object made by humans from the past
9
Large territory under one ruler
12
Movement of people to new areas
纵向
2
Practice of establishing foreign colonies
3
Handwritten historical document
4
Legislative body in ancient Rome
5
Government ruled by a king or queen
7
Military blockade of a fortified place
10
Armed conflict between nations
11
Formal agreement between nations