横向
1
Medieval land-for-service system
2
Person who buys and sells goods
5
Exchange of goods between peoples
6
Ancient empire that conquered much of Europe
10
Belonging to a very old period
纵向
2
Collection of traditional stories
3
Formal agreement between nations
4
Roman arena fighter
7
Person who travels to discover new lands
8
Long and distinct period of history
9
Union formed for mutual benefit