横向
1
Exchange of goods between peoples
4
Armored warrior of medieval times
6
Person who travels to discover new lands
9
Long and distinct period of history
11
Government ruled by a king or queen
纵向
2
Practice of farming and growing food
3
Medieval land-for-service system
5
Uprising against authority
7
Armed entry into another territory
8
Legislative assembly of a country
10
Object made by humans from the past