横向
1
Legislative body in ancient Rome
4
Person who buys and sells goods
5
Roman arena fighter
6
Person with no fixed home
7
Armed entry into another territory
纵向
2
Ancient Mesoamerican civilization
3
Period of ten years
4
Relating to the Middle Ages
8
Long and distinct period of history
9
Exchange of goods between peoples
10
Union formed for mutual benefit
11
Advanced stage of human society