横向
1
Union formed for mutual benefit
5
Legislative body in ancient Rome
7
Object made by humans from the past
11
Government ruled by a king or queen
12
Belonging to a very old period
13
Freedom from outside control
纵向
2
Long and distinct period of history
3
Formal agreement between nations
4
Alloy of copper and tin used in early tools
6
Territory controlled by another country
8
Ancient Mesoamerican civilization
9
Succession of rulers from same family
10
Medieval religious military campaign
14
Armed entry into another territory