横向
1
Person who travels to discover new lands
5
Fundamental law of a nation
7
Payment made to show submission
9
Person with no fixed home
12
Alloy of copper and tin used in early tools
纵向
2
Person who buys and sells goods
3
Medieval land-for-service system
4
Ancient empire that conquered much of Europe
6
Exchange of goods between peoples
8
Male monarch ruler
10
Handwritten historical document
11
Period of one hundred years
13
Large territory under one ruler
14
Deadly epidemic disease