横向
1
Person who travels to discover new lands
4
Legislative body in ancient Rome
6
Belonging to a very old period
8
Exchange of goods between peoples
11
Medieval land-for-service system
12
Practice of farming and growing food
纵向
2
Military conflict or fight
3
Period of ten years
5
Uprising against authority
7
Deadly epidemic disease
9
Government ruled by a king or queen
10
Freedom from outside control