横向
1
Medieval religious military campaign
5
Exchange of goods between peoples
6
Metal that replaced bronze in tools
7
Practice of establishing foreign colonies
8
Ancient Egyptian ruler
10
Male monarch ruler
11
Legislative body in ancient Rome
纵向
1
Territory controlled by another country
2
Roman arena fighter
3
Person who travels to discover new lands
4
Deadly epidemic disease
9
Advanced stage of human society
12
Object made by humans from the past
13
Payment made to show submission
14
Sudden overthrow of a government