横向
1
Object made by humans from the past
3
Alloy of copper and tin used in early tools
7
Fundamental law of a nation
8
Military blockade of a fortified place
9
Legislative body in ancient Rome
10
Metal that replaced bronze in tools
纵向
2
Medieval religious military campaign
4
Long and distinct period of history
5
Succession of rulers from same family
6
Advanced stage of human society
11
Government ruled by a king or queen
12
Period of one hundred years