横向
1
Person who travels to discover new lands
6
Practice of farming and growing food
7
Armored warrior of medieval times
8
Large territory under one ruler
9
Metal that replaced bronze in tools
11
Medieval religious military campaign
12
Payment made to show submission
纵向
2
Freedom from outside control
3
Fundamental law of a nation
4
Ancient empire that conquered much of Europe
5
Sudden overthrow of a government
10
Practice of establishing foreign colonies
13
Military conflict or fight
14
Exchange of goods between peoples