横向
1
Period of one hundred years
3
Ancient Egyptian stone monument
7
Advanced stage of human society
8
Belonging to a very old period
9
Union formed for mutual benefit
10
Military conflict or fight
纵向
2
Ancient Mesoamerican civilization
4
Object made by humans from the past
5
Roman arena fighter
6
Succession of rulers from same family
11
Government elected by the people
12
Sudden overthrow of a government
13
Ancient empire that conquered much of Europe