横向
1
Long and distinct period of history
3
Object made by humans from the past
6
Alloy of copper and tin used in early tools
10
Medieval religious military campaign
11
Formal agreement between nations
纵向
2
Ancient Mesoamerican civilization
4
Person who buys and sells goods
5
Armed conflict between nations
7
Legislative body in ancient Rome
8
Large territory under one ruler
9
Collection of traditional stories
12
Government ruled by a king or queen