横向
1
Large territory under one ruler
6
Object made by humans from the past
7
Practice of farming and growing food
8
Person who travels to discover new lands
9
Metal that replaced bronze in tools
10
Union formed for mutual benefit
11
Ancient Mesoamerican civilization
12
Collection of traditional stories
13
Relating to the Middle Ages
15
Movement of people to new areas
纵向
2
Government ruled by a king or queen
3
Advanced stage of human society
4
Fortified medieval residence
5
Legislative assembly of a country
14
Medieval land-for-service system