横向
1
Person who buys and sells goods
5
Ancient Mesoamerican civilization
6
Person who travels to discover new lands
7
Ancient Egyptian ruler
9
Formal agreement between nations
纵向
2
Legislative body in ancient Rome
3
Long and distinct period of history
4
Exchange of goods between peoples
8
Deadly epidemic disease
10
Alloy of copper and tin used in early tools
11
Territory controlled by another country