横向
1
Medieval land-for-service system
3
Metal that replaced bronze in tools
4
Armored warrior of medieval times
7
Payment made to show submission
8
Ancient empire that conquered much of Europe
9
Roman arena fighter
纵向
2
Fundamental law of a nation
5
Collection of traditional stories
6
Person with no fixed home
10
Practice of farming and growing food
11
Person who buys and sells goods
12
Object made by humans from the past
13
Ancient Mesoamerican civilization