横向
1
Relating to the Middle Ages
3
Armored warrior of medieval times
5
Person who buys and sells goods
11
Ancient empire that conquered much of Europe
纵向
2
Succession of rulers from same family
4
Long and distinct period of history
6
Military blockade of a fortified place
7
Person with no fixed home
8
Object made by humans from the past
9
Military conflict or fight
10
Formal agreement between nations