横向
1
Government by the people
5
Person who travels to discover new lands
6
Military blockade of a fortified place
7
Armed entry into another territory
10
Formal agreement between nations
12
Government elected by the people
13
Exchange of goods between peoples
纵向
2
Person who buys and sells goods
3
Movement of people to new areas
4
Military conflict or fight
8
Succession of rulers from same family
9
Roman arena fighter
11
Payment made to show submission
14
Period of ten years