横向
1
Relating to the Middle Ages
4
Movement of people to new areas
5
Government by the people
6
Ancient Mesoamerican civilization
7
Collection of traditional stories
8
Ancient Egyptian stone monument
9
Government elected by the people
纵向
2
Person who travels to discover new lands
3
Exchange of goods between peoples
4
Person who buys and sells goods
5
Succession of rulers from same family
10
Payment made to show submission
