横向
1
Long and distinct period of history
3
Person who travels to discover new lands
7
Advanced stage of human society
9
Legislative assembly of a country
10
Legislative body in ancient Rome
11
Medieval land-for-service system
13
Succession of rulers from same family
纵向
2
Military blockade of a fortified place
4
Period of one hundred years
5
Practice of farming and growing food
6
Ancient Mesoamerican civilization
8
Ancient Egyptian stone monument
12
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