横向
1
Object made by humans from the past
3
Person who travels to discover new lands
4
Fortified medieval residence
8
Succession of rulers from same family
10
Person with no fixed home
11
Person owned as property
12
Metal that replaced bronze in tools
13
Territory controlled by another country
14
Ancient Mesoamerican civilization
15
Sudden overthrow of a government
纵向
2
Exchange of goods between peoples
5
Government ruled by a king or queen
6
Handwritten historical document
7
Legislative assembly of a country
9
Uprising against authority