横向
1
Roman arena fighter
5
Practice of farming and growing food
7
Belonging to a very old period
8
Ancient empire that conquered much of Europe
9
Period of ten years
纵向
2
Person who travels to discover new lands
3
Armed conflict between nations
4
Payment made to show submission
6
Succession of rulers from same family
10
Legislative assembly of a country
11
Object made by humans from the past