横向
1
Exchange of goods between peoples
3
Ancient Egyptian stone monument
7
Person with no fixed home
9
Person who buys and sells goods
10
Person who travels to discover new lands
纵向
2
Ancient Mesoamerican civilization
3
Ancient Egyptian ruler
4
Legislative body in ancient Rome
5
Legislative assembly of a country
6
Government ruled by a king or queen
8
Ancient empire that conquered much of Europe