横向
1
Government ruled by a king or queen
4
Union formed for mutual benefit
5
Person who travels to discover new lands
6
Medieval land-for-service system
8
Government by the people
10
Ancient Mesoamerican civilization
纵向
1
Handwritten historical document
2
Ancient Egyptian stone monument
3
Practice of farming and growing food
7
Ancient Egyptian picture writing
9
Relating to the Middle Ages