横向
1
Person who travels to discover new lands
5
Roman arena fighter
7
Period of one hundred years
9
Military conflict or fight
10
Formal agreement between nations
纵向
2
Sudden overthrow of a government
3
Military blockade of a fortified place
4
Fundamental law of a nation
6
Relating to the Middle Ages
8
Government elected by the people
11
Exchange of goods between peoples
12
Succession of rulers from same family