横向
1
Military conflict or fight
4
Period of ten years
5
Metal that replaced bronze in tools
6
Person who buys and sells goods
7
Long and distinct period of history
11
Medieval land-for-service system
12
Sudden overthrow of a government
纵向
2
Succession of rulers from same family
3
Medieval religious military campaign
8
Fundamental law of a nation
9
Large territory under one ruler
10
Practice of farming and growing food
13
Territory controlled by another country
