横向
1
Practice of farming and growing food
6
Person with no fixed home
8
Formal agreement between nations
9
Period of ten years
10
Exchange of goods between peoples
13
Long and distinct period of history
15
Alloy of copper and tin used in early tools
纵向
2
Fortified medieval residence
3
Government by the people
4
Metal that replaced bronze in tools
5
Territory controlled by another country
7
Handwritten historical document
11
Relating to the Middle Ages
12
Armed conflict between nations
14
Person who travels to discover new lands