横向
1
Period of ten years
5
Fortified medieval residence
6
Freedom from outside control
7
Formal agreement between nations
9
Person who buys and sells goods
纵向
2
Belonging to a very old period
3
Large territory under one ruler
4
Medieval land-for-service system
8
Legislative body in ancient Rome
10
Advanced stage of human society
11
Ancient Egyptian stone monument
12
Person who travels to discover new lands
13
Union formed for mutual benefit