横向
1
Legislative assembly of a country
6
Succession of rulers from same family
7
Movement of people to new areas
9
Person who buys and sells goods
11
Ancient empire that conquered much of Europe
12
Deadly epidemic disease
14
Object made by humans from the past
纵向
2
Person who travels to discover new lands
3
Long and distinct period of history
4
Armed conflict between nations
5
Roman arena fighter
8
Government by the people
10
Medieval religious military campaign
13
Sudden overthrow of a government