横向
1
Deadly epidemic disease
5
Movement of people to new areas
6
Person who buys and sells goods
7
Ancient empire that conquered much of Europe
10
Payment made to show submission
11
Relating to the Middle Ages
纵向
2
Person who travels to discover new lands
3
Practice of establishing foreign colonies
4
Period of one hundred years
8
Male monarch ruler
9
Metal that replaced bronze in tools
12
Armored warrior of medieval times