横向
1
Ancient Mesoamerican civilization
3
Medieval land-for-service system
5
Person who buys and sells goods
6
Male monarch ruler
7
Ancient Egyptian picture writing
8
Government by the people
纵向
1
Government ruled by a king or queen
2
Person with no fixed home
4
Exchange of goods between peoples
9
Ancient Egyptian stone monument
10
Alloy of copper and tin used in early tools