横向
1
Person who travels to discover new lands
5
Movement of people to new areas
7
Person who buys and sells goods
8
Medieval religious military campaign
9
Period of one hundred years
12
Payment made to show submission
13
Long and distinct period of history
14
Freedom from outside control
纵向
2
Practice of farming and growing food
3
Territory controlled by another country
4
Union formed for mutual benefit
6
Uprising against authority
10
Medieval land-for-service system
11
Sudden overthrow of a government
15
Government by the people
