横向
1
Military blockade of a fortified place
3
Territory controlled by another country
5
Sudden overthrow of a government
6
Government elected by the people
7
Ancient Mesoamerican civilization
8
Roman arena fighter
10
Fortified medieval residence
13
Ancient Egyptian ruler
纵向
2
Person who travels to discover new lands
4
Military conflict or fight
9
Long and distinct period of history
11
Movement of people to new areas
12
Ancient empire that conquered much of Europe