横向
1
Long and distinct period of history
4
Person who travels to discover new lands
5
Military conflict or fight
6
Government by the people
7
Union formed for mutual benefit
8
Exchange of goods between peoples
11
Government elected by the people
12
Formal agreement between nations
纵向
2
Medieval religious military campaign
3
Belonging to a very old period
4
Large territory under one ruler
9
Territory controlled by another country
10
Medieval land-for-service system
12
Payment made to show submission