横向
1
Advanced stage of human society
8
Ancient Egyptian stone monument
9
Succession of rulers from same family
纵向
2
Payment made to show submission
3
Government elected by the people
4
Military conflict or fight
5
Legislative body in ancient Rome
6
Metal that replaced bronze in tools
7
Military blockade of a fortified place
10
Ancient Mesoamerican civilization
11
Male monarch ruler
12
Government ruled by a king or queen