横向
1
Relating to the Middle Ages
4
Government ruled by a king or queen
5
Person who travels to discover new lands
6
Fundamental law of a nation
7
Territory controlled by another country
8
Exchange of goods between peoples
12
Long and distinct period of history
13
Government elected by the people
纵向
2
Advanced stage of human society
3
Legislative body in ancient Rome
4
Movement of people to new areas
9
Object made by humans from the past
10
Medieval religious military campaign
11
Metal that replaced bronze in tools