横向
1
Roman arena fighter
6
Person owned as property
7
Deadly epidemic disease
9
Government by the people
10
Succession of rulers from same family
12
Person who travels to discover new lands
纵向
2
Large territory under one ruler
3
Fundamental law of a nation
4
Government ruled by a king or queen
5
Military blockade of a fortified place
8
Long and distinct period of history
11
Ancient empire that conquered much of Europe
13
Object made by humans from the past