横向
1
Person with no fixed home
4
Ancient Egyptian stone monument
5
Armored warrior of medieval times
6
Roman arena fighter
8
Person who buys and sells goods
12
Advanced stage of human society
纵向
2
Fundamental law of a nation
3
Long and distinct period of history
7
Ancient Mesoamerican civilization
9
Person owned as property
10
Union formed for mutual benefit
11
Exchange of goods between peoples